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

`f'' ( 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 a)5 b)10 c)0 d)15

A

5

B

10

C

0

D

15

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The correct Answer is:
A
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