If f(x+y)=f(x)f(y) for all x and y, f(6)...

If `f(x+y)=f(x)f(y)` for all x and y, `f(6)=3 and f'(0)=10,` then `f'(6)` is :a)30 b)13 c)10 d)0

A

30

B

13

C

10

D

0

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The correct Answer is:

A

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