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If '' (x)=-f(x) and g(x)=-f'(x) and F(x...

If ` '' (x)=-f(x) and g(x)=-f'(x) and F(x)=(f(x/2))^2 + (g(x/2))^2` and given that f(5)=5, then f(10) is equal to

A

5

B

10

C

0

D

15

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The correct Answer is:
A
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PATHFINDER-FUNCTION-QUESTION BANK
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