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CUET · MATHS · PYQ PAPER 2023

The solution of \(y^{\prime}-y^{\prime \prime}=2 x\) is:
A. \(y=x^2+2 x+2\)
B. \(y=x^2+2 x+1\)
C. \(y=x+2\)
D. \(y=x^2-2 x+1\)
Choose the correct answer from the options given below :

  1. A A and B only
  2. B B only
  3. C C only
  4. D A and D only
Verified Solution

Answer & Solution

Correct Answer

(A) A and B only

Step-by-step Solution

Detailed explanation

For A: \(y=x^2+2 x+2\) \(y' = 2x+2\) \(y'' = 2\) \(y' - y'' = (2x+2) - 2 = 2x\). Matches. For B: \(y=x^2+2 x+1\) \(y' = 2x+2\) \(y'' = 2\) \(y' - y'' = (2x+2) - 2 = 2x\). Matches. A and B only