Questions and Solutions

Class: 12 Subject: Math Type: Mcq Year: 2023

Question 1:

The number of arbitrary constants in the general solution of the differential equation \(\frac{dy}{dx}+y=0\) is:

  • A. 0
  • B. 1
  • C. 2
  • D. 3
Class: 12 Subject: Math Type: Mcq Year: 2024

Question 2:

The integrating factor of differential equation \( (x + 2y^3) \frac{dy}{dx} = 2y \) is:

  • A. \( e^{\frac{y^2}{2}} \)
  • B. \( \frac{1}{\sqrt{y}} \)
  • C. \( \frac{1}{y^2} \)
  • D. \( e^{-\frac{1}{y^2}} \)