Which of the following differential equations has y = x as one of its particular solution? $(A)\frac{{{\partial }^{2}}y}{\partial {{x}^{2}}}-{{x}^{2}}\frac{dy}{dx}+xy=x(B)\frac{{{\partial }^{2}}y}{\partial {{x}^{2}}}+{{x}^{{}}}\frac{dy}{dx}+xy=x(C)\frac{{{\partial }^{2}}y}{\partial {{x}^{2}}}-{{x}^{2}}\frac{dy}{dx}+xy=0(D)\frac{{{\partial }^{2}}y}{\partial {{x}^{2}}}+{{x}^{{}}}\frac{dy}{dx}+xy=0$
Which of the following differential equations has y = x as one of its particular solution? $(A)\frac{{{\partial }^{2}}y}{\partial {{x}^{2}}}-{{x}^{2}}\frac{dy}{dx}+xy=x(B)\frac{{{\partial }^{2}}y}{\partial {{x}^{2}}}+{{x}^{{}}}\frac{dy}{dx}+xy=x(C)\frac{{{\partial }^{2}}y}{\partial {{x}^{2}}}-{{x}^{2}}\frac{dy}{dx}+xy=0(D)\frac{{{\partial }^{2}}y}{\partial {{x}^{2}}}+{{x}^{{}}}\frac{dy}{dx}+xy=0$

NCERT Solutions for Class 12 Maths Chapter 9 - Image 56

= 0 – (x2 × 1) + (x × x)

= -x2 + x2

= 0