CUET · MATHS · PYQ PAPER 2023
If \(\frac{d}{d x}\left(2 \frac{d^2 y}{d x^2}\right)^3=7\), then the sum of order and degree of the differential equation is:
- A 3
- B 2
- C 5
- D 4
Answer & Solution
Correct Answer
(D) 4
Step-by-step Solution
Detailed explanation
\(24 \left(\frac{d^2 y}{d x^2}\right)^2 \frac{d^3 y}{d x^3} = 7\) Order \(= 3\) Degree \(= 1\) Sum \(= 3 + 1 = 4\)
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