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Engineering Maths · Q31

Differential Equations

Engineering and GATE · Engineering Maths · question 31

Q31

The general solution of d^2 y d x^2 + y = 0 is

The general solution of   is
A.
y = P cos x + Q sin x
Answer
B.
y = P cos x
C.
y = P sin x
D.
y = P sin2 x

Answer: Option A

Solution

Answer: Option A
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