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If f is twice differentiable such that f...

If f is twice differentiable such that f"(x)=-f(x)
`f'(x)=g(x),h'(x)=[f(x)]^(2)+[g(x)]^(2)andh(0)=2,`
`h(1)=4,` then the equation y=h(x) represents.

A

curve of degree 2

B

curve passing through origin

C

a straight line with slope 2

D

a straight line with slope `-2`

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The correct Answer is:
C
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