We are given, $f(x) = \left| x \right| - 5$ Evaluating $\mathop {\lim }\limits_{x \to 5} f(x)$ When, $\mathop {\lim }\limits_{x \to {5^ - }} f(x) = \mathop {\lim }\limits_{x \to {5^ - }} |x| - 5$ $...
Find $\mathop {\lim }\limits_{x \to 0} f(x)$, where $f(x) = \left\{ \begin{gathered} \frac{x}{{\left| x \right|}},x \ne 0 \hfill \\ 0,x = 0 \hfill \\ \end{gathered} \right.$.
We are given, $f(x)=\left\{ \begin{array}{*{35}{l}} \frac{x}{|x|},x\ne 0 \\ 0,x=0 \\ \end{array} \right.$ Evaluating $\mathop {\lim }\limits_{x \to 0} f(x)$, When, $\mathop {\lim }\limits_{x \to...
Find $\mathop {\lim }\limits_{x \to 1} f(x)$, where $f(x) = \left\{ \begin{gathered} {x^2} – 1,x \leqslant 1 \hfill \\ – {x^2} – 1,x > 1 \hfill \\ \end{gathered} \right.$.
We are given, $f(x) = \left\{ \begin{gathered} {x^2} - 1,x \leqslant 1 \hfill \\ - {x^2} - 1,x > 1 \hfill \\ \end{gathered} \right.$ Evaluating $\underset{x\to 1}{\mathop{\lim }}\,f(x)$,...
Find $\mathop {\lim }\limits_{x \to 0} f(x){\text{ }}$and $\mathop {\lim }\limits_{x \to 1} f(x)$, where $f(x) = \left\{ \begin{gathered} 2x + 3x \leqslant 0 \hfill \\ 3\left( {x + 1} \right)x > 0 \hfill \\ \end{gathered} \right.$.
We have the function, $f(x) = \left\{ \begin{gathered} 2x + 3x \leqslant 0 \hfill \\ 3\left( {x + 1} \right)x > 0 \hfill \\ \end{gathered} \right.$ Evaluating $\mathop {\lim }\limits_{x \to 0}...
Evaluate the given limit: $\mathop {\lim }\limits_{x \to \frac{\pi }{2}} \frac{{\tan 2x}}{{x – \frac{\pi }{2}}}$.
Given, $\mathop {\lim }\limits_{x \to \frac{\pi }{2}} \frac{{\tan 2x}}{{x - \frac{\pi }{2}}}$ Substituting $x = \frac{\pi }{2}$ to get, $\mathop {\lim }\limits_{x \to \frac{\pi }{2}} \frac{{\tan...
Evaluate the given limit: $\mathop {\lim }\limits_{x \to 0} (\operatorname{cosec} x – \cot x)$.
Given, $\mathop {\lim }\limits_{x \to 0} (\operatorname{cosec} x - \cot x)$ Using trigonometric ratios for, $\operatorname{cosec} x = \frac{1}{{\sin x}}$ and $\cot x = \frac{{\cos x}}{{\sin x}}$ to...
Evaluate the given limit: $\mathop {\lim }\limits_{x \to 0} \frac{{\sin ax + bx}}{{ax + \sin bx}} a, b, a + b \ne 0$.
Given, $\mathop {\lim }\limits_{x \to 0} \frac{{\sin ax + bx}}{{ax + \sin bx}}$ Substituting $x = 0$ to get, $\mathop {\lim }\limits_{x \to 0} \frac{{\sin ax + bx}}{{ax + \sin bx}} = \frac{0}{0}$...
Evaluate the given limit: $\mathop {\lim }\limits_{x \to 0} x\sec x$.
Given, $\mathop {\lim }\limits_{x \to 0} x\sec x$ $\mathop {\lim }\limits_{{\text{x}} \to 0} \operatorname{xsec} {\text{x}} = \mathop {\lim }\limits_{{\text{x}} \to 0} \frac{{\text{x}}}{{\cos...
Evaluate the given limit: $\mathop {\lim }\limits_{x \to 0} \frac{{ax + x\cos x}}{{b\sin x}}$.
Given, $\mathop {\lim }\limits_{x \to 0} \frac{{ax + x\cos x}}{{b\sin x}}$ $\mathop {\lim }\limits_{x \to 0} \frac{{ax + x\cos x}}{{b\sin x}} = \frac{0}{0}$ As, this limit is undefined so the other...
Evaluate the given limit: $\mathop {\lim }\limits_{x \to 0} \frac{{\cos 2x – 1}}{{\cos x – 1}}$.
We are given, $\mathop {\lim }\limits_{x \to 0} \frac{{\cos 2x - 1}}{{\cos x - 1}}$ Substituting $x = 0$ to get, $\mathop {\lim }\limits_{x \to 0} \frac{{\cos 2x - 1}}{{\cos x - 1}} = \frac{0}{0}$...
Evaluate the given limit: $\mathop {\lim }\limits_{x \to 0} \frac{{\cos x}}{{\pi – x}}$.
We are given, $\mathop {\lim }\limits_{x \to 0} \frac{{\cos x}}{{\pi - x}}$ Substituting $x = 0$ to get, $\mathop {\lim }\limits_{x \to 0} \frac{{\cos x}}{{\pi - x}} = \frac{{\cos 0}}{{\pi - 0}}$...
If the function f(x) satisfies $\mathop {\lim }\limits_{x \to 1} \frac{{f(x) – 2}}{{{x^2} – 1}} = \pi $ , evaluate $\mathop {\lim }\limits_{x \to 1} f(x)$.
We are given that $f(x)$ satisfies, $\mathop {\lim }\limits_{x \to 1} \frac{{f(x) - 2}}{{{x^2} - 1}} = \pi $ $\frac{{\mathop {\lim }\limits_{x \to 1} {\text{f}}(x) - 2}}{{\mathop {\lim }\limits_{x...
Let ${a_1},{a_2},….,{a_n}$ be fixed real numbers and define a function $f(x) = \left( {x – {a_1}} \right)\left( {x – {a_2}} \right)….\left( {x – {a_n}} \right)$. What is $\mathop {\lim }\limits_{x \to {a_1}} f(x)$? For some $a \ne {a_1},{a_2},….,{a_n}$, Compute $\mathop {\lim }\limits_{x \to a} f(x)$.
We are given, $f(x) = \left( {x - {a_1}} \right)\left( {x - {a_2}} \right)....\left( {x - {a_n}} \right)$ Evaluating $\mathop {\lim }\limits_{{\text{x}} \to {{\text{a}}_1}} {\text{f}}({\text{x}})$...
Find $\mathop {\lim }\limits_{x \to 5} f(x)$, where $f(x) = \left| x \right| – 5$.
We are given, $f(x) = \left| x \right| - 5$ Evaluating $\mathop {\lim }\limits_{x \to 5} f(x)$ When, $\mathop {\lim }\limits_{x \to {5^ - }} f(x) = \mathop {\lim }\limits_{x \to {5^ - }} |x| - 5$ \[...
Find $\mathop {\lim }\limits_{x \to 0} f(x)$, where $f(x) = \left\{ \begin{gathered} \frac{x}{{\left| x \right|}},x \ne 0 \hfill \\ 0,x = 0 \hfill \\ \end{gathered} \right.$.
We are given, $f(x) = \left\{ \begin{gathered} \frac{x}{{\left| x \right|}},x \ne 0 \hfill \\ 0,x = 0 \hfill \\ \end{gathered} \right.$ Evaluating $\mathop {\lim }\limits_{x \to 0} f(x)$, When,...
Evaluate $\mathop {\lim }\limits_{x \to 0} f(x)$, where $f(x) = \left\{ \begin{gathered} \frac{{\left| x \right|}}{x},x \ne 0 \hfill \\ 0,x = 0 \hfill \\ \end{gathered} \right.$.
We are given, $f(x) = \left\{ \begin{gathered} \frac{{\left| x \right|}}{x},x \ne 0 \hfill \\ 0,x = 0 \hfill \\ \end{gathered} \right.$ For $\mathop {\lim }\limits_{x \to a} f(x)$ to exist, then...
Find $\mathop {\lim }\limits_{x \to 1} f(x)$, where $f(x) = \left\{ \begin{gathered} {x^2} – 1,x \leqslant 1 \hfill \\ – {x^2} – 1,x > 1 \hfill \\ \end{gathered} \right.$.
We are given, $f(x) = \left\{ \begin{gathered} {x^2} - 1,x \leqslant 1 \hfill \\ - {x^2} - 1,x > 1 \hfill \\ \end{gathered} \right.$ Evaluating $\underset{x\to 1}{\mathop{\lim }}\,f(x)$ , When,...
Find $\mathop {\lim }\limits_{x \to 0} f(x){\text{ }}$and $\mathop {\lim }\limits_{x \to 1} f(x)$, where $f(x) = \left\{ \begin{gathered} 2x + 3x \leqslant 0 \hfill \\ 3\left( {x + 1} \right)x > 0 \hfill \\ \end{gathered} \right.$.
We have the function, $f(x) = \left\{ \begin{gathered} 2x + 3x \leqslant 0 \hfill \\ 3\left( {x + 1} \right)x > 0 \hfill \\ \end{gathered} \right.$ Evaluating $\mathop {\lim }\limits_{x \to 0}...
Evaluate the given limit: $\mathop {\lim }\limits_{x \to \frac{\pi }{2}} \frac{{\tan 2x}}{{x – \frac{\pi }{2}}}$.
Given, $\mathop {\lim }\limits_{x \to \frac{\pi }{2}} \frac{{\tan 2x}}{{x - \frac{\pi }{2}}}$ Substituting $x = \frac{\pi }{2}$ to get, $\mathop {\lim }\limits_{x \to \frac{\pi }{2}} \frac{{\tan...
Evaluate the given limit: $\mathop {\lim }\limits_{x \to 0} (\operatorname{cosec} x – \cot x)$.
Given, $\mathop {\lim }\limits_{x \to 0} (\operatorname{cosec} x - \cot x)$ Using trigonometric ratios for, $\operatorname{cosec} x = \frac{1}{{\sin x}}$ and $\cot x = \frac{{\cos x}}{{\sin x}}$ to...
Evaluate the given limit: $\mathop {\lim }\limits_{x \to 0} \frac{{\sin ax + bx}}{{ax + \sin bx}}a,b,a + b \ne 0$.
Given, $\mathop {\lim }\limits_{x \to 0} \frac{{\sin ax + bx}}{{ax + \sin bx}}$ Substituting $x = 0$ to get, $\mathop {\lim }\limits_{x \to 0} \frac{{\sin ax + bx}}{{ax + \sin bx}} = \frac{0}{0}$...
Evaluate the given limit: $\mathop {\lim }\limits_{x \to 0} x\sec x$.
Given, $\mathop {\lim }\limits_{x \to 0} x\sec x$ $\mathop {\lim }\limits_{{\text{x}} \to 0} \operatorname{xsec} {\text{x}} = \mathop {\lim }\limits_{{\text{x}} \to 0} \frac{{\text{x}}}{{\cos...
Evaluate the given limit: $\mathop {\lim }\limits_{x \to 0} \frac{{ax + x\cos x}}{{b\sin x}}$.
Given, $\mathop {\lim }\limits_{x \to 0} \frac{{ax + x\cos x}}{{b\sin x}}$ $\mathop {\lim }\limits_{x \to 0} \frac{{ax + x\cos x}}{{b\sin x}} = \frac{0}{0}$ As, this limit is undefined so the other...
Evaluate the given limit: $\mathop {\lim }\limits_{x \to 0} \frac{{\cos 2x – 1}}{{\cos x – 1}}$.
We are given, $\mathop {\lim }\limits_{x \to 0} \frac{{\cos 2x - 1}}{{\cos x - 1}}$ Substituting $x = 0$ to get, $\mathop {\lim }\limits_{x \to 0} \frac{{\cos 2x - 1}}{{\cos x - 1}} = \frac{0}{0}$...
Evaluate the given limit: $\mathop {\lim }\limits_{x \to 0} \frac{{\cos x}}{{\pi – x}}$.
We are given, $\mathop {\lim }\limits_{x \to 0} \frac{{\cos x}}{{\pi - x}}$ Substituting $x = 0$ to get, $\mathop {\lim }\limits_{x \to 0} \frac{{\cos x}}{{\pi - x}} = \frac{{\cos 0}}{{\pi - 0}}$...
Evaluate the given limit: $\mathop {\lim }\limits_{x \to \pi } \frac{{\sin (\pi – x)}}{{\pi (\pi – x)}}$.
We are given, $\mathop {\lim }\limits_{x \to \pi } \frac{{\sin (\pi - x)}}{{\pi (\pi - x)}}$ $\mathop {\lim }\limits_{x \to \pi } \frac{{\sin (\pi - x)}}{{\pi (\pi - x)}} = \mathop {\lim...
Evaluate the given limit: $\mathop {\lim }\limits_{x \to 0} \frac{{\sin ax}}{{\sin bx}},a,b \ne 0$
We are given, $\mathop {\lim }\limits_{x \to 0} \frac{{\sin ax}}{{\sin bx}},a,b \ne 0$ Substituting $x = 0$ to get, $\mathop {\lim }\limits_{x \to 0} \frac{{\sin ax}}{{\sin bx}} = \frac{0}{0}$ As,...
Evaluate the Given limit: $\mathop {\lim }\limits_{x \to 0} \frac{{\sin ax}}{{bx}}$.
We are given, $\mathop {\lim }\limits_{x \to 0} \frac{{\sin ax}}{{bx}}$ Substituting $x = 0$ to get, $\mathop {\lim }\limits_{x \to 0} \frac{{\sin ax}}{{bx}} = \frac{0}{0}$ As, this limit is...
Evaluate the Given limit: $\mathop {\lim }\limits_{x \to – 2} \frac{{\frac{1}{x} + \frac{1}{2}}}{{x + 2}}$.
Given, $\mathop {\lim }\limits_{x \to - 2} \frac{{\frac{1}{x} + \frac{1}{2}}}{{x + 2}}$ Substituting $x = - 2$ to get, $\mathop {\lim }\limits_{x \to - 2} \frac{{\frac{1}{x} + \frac{1}{2}}}{{x +...
Evaluate the Given limit: $\mathop {\lim }\limits_{x \to 1} \frac{{a{x^2} + bx + c}}{{c{x^2} + bx + a}},a + b + c \ne 0$.
We are given, $\mathop {\lim }\limits_{x \to 1} \frac{{a{x^2} + bx + c}}{{c{x^2} + bx + a}},a + b + c \ne 0$ Now, substituting $x = 1$ to get, $\mathop {\lim }\limits_{x \to 1} \frac{{a{x^2} + bx +...
Evaluate the Given limit: $\mathop {\lim }\limits_{z \to 1} \frac{{{z^{\frac{1}{3}}} – 1}}{{{z^{\frac{1}{6}}} – 1}}$.
We are given, $\mathop {\lim }\limits_{z \to 1} \frac{{{z^{\frac{1}{3}}} - 1}}{{{z^{\frac{1}{6}}} - 1}}$ Substituting $z = 1$ to get, $\mathop {\lim }\limits_{z \to 1} \frac{{{z^{\frac{1}{3}}} -...
Evaluate the Given limit: $\mathop {\lim }\limits_{x \to 0} \frac{{ax + b}}{{cx + 1}}$.
We are given, $\mathop {\lim }\limits_{x \to 0} \frac{{ax + b}}{{cx + 1}}$ Substituting $x = 0$to get, $\mathop {\lim }\limits_{x \to 0} \frac{{ax + b}}{{cx + 1}} = \frac{{a(0) + b}}{{c(0) + 1}}$ $...
Evaluate the Given limit: $\mathop {\lim }\limits_{x \to 3} \frac{{{x^4} – 81}}{{2{x^2} – 5x – 3}}$.
We are given, $\mathop {\lim }\limits_{x \to 3} \frac{{{x^4} - 81}}{{2{x^2} - 5x - 3}}$ Substituting the limit at $x = 3$ to get, $\mathop {\lim }\limits_{x \to 3} \frac{{{x^4} - 81}}{{2{x^2} - 5x -...
Evaluate the Given limit: $\mathop {\lim }\limits_{x \to 2} \frac{{3{x^2} – x – 10}}{{{x^2} – 4}}$.
We are given, $\mathop {\lim }\limits_{x \to 2} \frac{{3{x^2} - x - 10}}{{{x^2} - 4}}$ Substituting the limit at $x = 2$ to get, $\mathop {\lim }\limits_{x \to 2} \frac{{3{x^2} - x - 10}}{{{x^2} -...
Evaluate the Given limit:$\mathop {\lim }\limits_{x \to 0} \frac{{{{(x + 1)}^5} – 1}}{x}$.
We are given the limit, $\mathop {\lim }\limits_{x \to 0} \frac{{{{(x + 1)}^5} - 1}}{x}$ Substituting the value $x = 0$ to get, $ = \frac{{{{\left( {0 + 1} \right)}^5} - 1}}{0}$ As, this limit is...
Evaluate the Given limit:$\mathop {\lim }\limits_{x \to – 1} \frac{{{x^{10}} + {x^5} + 1}}{{x – 1}}$.
We have to evaluate, $\mathop {\lim }\limits_{x \to - 1} \frac{{{x^{10}} + {x^5} + 1}}{{x - 1}}$ Substituting the value $x = - 1$ to get, $\mathop {\lim }\limits_{x \to - 1} \frac{{{x^{10}} +...
Evaluate the Given limit:$\mathop {\lim }\limits_{x \to 4} \frac{{4x + 3}}{{x – 2}}$.
We have to evaluate, $\mathop {\lim }\limits_{x \to 4} \frac{{4x + 3}}{{x - 2}}$ Substituting the value $x = 4$ to get, $\mathop {\lim }\limits_{x \to 4} \frac{{4x + 3}}{{x - 2}} = \frac{{\left[...
Evaluate the Given limit:$\mathop {\lim }\limits_{r \to 1} \pi {r^2}$.
We have to evaluate, $\mathop {\lim }\limits_{r \to 1} \pi {r^2}$ Substituting the value $r = 1$to get, $\mathop {\lim }\limits_{r \to 1} \pi {r^2} = \pi {(1)^2}$ $ = \pi $.
Evaluate the Given limit: $\mathop {\lim }\limits_{x \to n} \left( {x – \frac{{22}}{7}} \right)$.
We have to evaluate, $\mathop {\lim }\limits_{x \to n} \left( {x - \frac{{22}}{7}} \right)$ Substituting the value $x = \pi $ to get, $ = \pi - \frac{{22}}{7}$.
Evaluate the Given limit: $\mathop {\lim }\limits_{x \to 3} x + 3$.
We have to evaluate, $\mathop {\lim }\limits_{x \to 3} x + 3$ Substituting the value $x=3$ to get, $ = 3 + 3$ $ = 6$.