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Consider the differential equation, x dy dx = y(log_e y - log_e x + 1), then which of the following are true? (A) It is a linear differential…

CUET UG 2025 — Mathematics Calculus

2025mcqhard

Consider the differential equation, xdydx=y(log⁡ey−log⁡ex+1)x\frac{dy}{dx} = y(\log_e y - \log_e x + 1)xdxdy​=y(loge​y−loge​x+1), then which of the following are true?

(A) It is a linear differential equation

(B) It is a homogenous differential equation

(C) Its general solution is log⁡e(yx)=Cx\log_e\left(\frac{y}{x}\right) = Cxloge​(xy​)=Cx, where C is constant of integration

(D) Its general solution is log⁡e(xy)=Cy\log_e\left(\frac{x}{y}\right) = Cyloge​(yx​)=Cy, where C is constant of integration

(E) If y(1)=1y(1) = 1y(1)=1, then its particular solution is y=xy = xy=x

Choose the correct answer from the options given below:

Official previous-year question

Held on 14 May 2025 · Verified 13 Jul 2026.

Options

  1. A

    (A), (D) and (E) only

  2. B

    (A) and (D) only

  3. C

    (B) and (C) only

  4. D

    (B), (C) and (E) only

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