(d)
A quadratic equation is the equation with degree 2 .
, which is a quadratic equation
Which of the following is a quadratic equation?
(a)![Rendered by QuickLaTeX.com x^{3}-3 \sqrt{x}+2=0](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-98d6766a79ffe778d8fe8c7bf1577cb5_l3.png)
(b)![Rendered by QuickLaTeX.com x+\frac{1}{x}=x^{2}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-8dd68e0bb35dc24444bf4c8ea6991393_l3.png)
(c)![Rendered by QuickLaTeX.com x^{2}+\frac{1}{x^{2}}=5](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-5d498ab7fc1bbae431cfbc5a7df9ae21_l3.png)
(d)![Rendered by QuickLaTeX.com 2 x^{2}-5 x=(x-1)^{2}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-15c6c709c4e17fbbff95d62da024bbab_l3.png)
(a)
![Rendered by QuickLaTeX.com x^{3}-3 \sqrt{x}+2=0](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-98d6766a79ffe778d8fe8c7bf1577cb5_l3.png)
(b)
![Rendered by QuickLaTeX.com x+\frac{1}{x}=x^{2}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-8dd68e0bb35dc24444bf4c8ea6991393_l3.png)
(c)
![Rendered by QuickLaTeX.com x^{2}+\frac{1}{x^{2}}=5](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-5d498ab7fc1bbae431cfbc5a7df9ae21_l3.png)
(d)
![Rendered by QuickLaTeX.com 2 x^{2}-5 x=(x-1)^{2}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-15c6c709c4e17fbbff95d62da024bbab_l3.png)
Which of the following is a quadratic equation?
(a)![Rendered by QuickLaTeX.com x^{3}-3 \sqrt{x}+2=0](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-98d6766a79ffe778d8fe8c7bf1577cb5_l3.png)
(b)![Rendered by QuickLaTeX.com x+\frac{1}{x}=x^{2}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-8dd68e0bb35dc24444bf4c8ea6991393_l3.png)
(c)![Rendered by QuickLaTeX.com x^{2}+\frac{1}{x^{2}}=5](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-5d498ab7fc1bbae431cfbc5a7df9ae21_l3.png)
(d)![Rendered by QuickLaTeX.com 2 x^{2}-5 x=(x-1)^{2}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-15c6c709c4e17fbbff95d62da024bbab_l3.png)
(a)
![Rendered by QuickLaTeX.com x^{3}-3 \sqrt{x}+2=0](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-98d6766a79ffe778d8fe8c7bf1577cb5_l3.png)
(b)
![Rendered by QuickLaTeX.com x+\frac{1}{x}=x^{2}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-8dd68e0bb35dc24444bf4c8ea6991393_l3.png)
(c)
![Rendered by QuickLaTeX.com x^{2}+\frac{1}{x^{2}}=5](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-5d498ab7fc1bbae431cfbc5a7df9ae21_l3.png)
(d)
![Rendered by QuickLaTeX.com 2 x^{2}-5 x=(x-1)^{2}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-15c6c709c4e17fbbff95d62da024bbab_l3.png)