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Consider the differential equation : d y d x= y^3 2 (x y^2-x^2 ) Statement-1: The substitution z=y^2 transforms the above equation into a first order…

JEE Main 2013 — Mathematics Calculus

2013mcqhard

Consider the differential equation : dydx=y32(xy2−x2)\frac{d y}{d x}=\frac{y^3}{2\left(x y^2-x^2\right)}dxdy​=2(xy2−x2)y3​ Statement-1: The substitution z=y2z=y^2z=y2 transforms the above equation into a first order homogenous differential equation. Statement-2: The solution of this differential equation is y2e−y2/x=Cy^2 e^{-y^2} / x=Cy2e−y2/x=C.

Official previous-year question

Held on 22 Apr 2013 · Verified 6 Jul 2026.

Options

  1. A

    Both statements are false.

  2. B

    Statement-1 is true and statement- 2 is false.

  3. C

    Statement-1 is false and statement-2 is true.

  4. D

    Both statements are true.

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