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GUJCET · Maths · Continuity and Differentiability
For \(y=7 \sin x+5 \cos x, \frac{d^2 y}{d x^2}-m y=0\) then, \(m=\) _________.
- A 0
- B 1
- C -1
- D -2
Answer & Solution
Correct Answer
(C) -1
Step-by-step Solution
Detailed explanation
\(\frac{d y}{d x}=7 \cos x-5 \sin x\) \(\frac{d^2 y}{d x^2}=-7 \sin x-5 \cos x\)
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