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If f(x)=|{:(x,sinx,cosx),(x^2,tanx,x^3),...

If `f(x)=|{:(x,sinx,cosx),(x^2,tanx,x^3),(2x,sin2x,5x):}|` then
`lim_(x to 0)(f'(x))/x` is equal to

A

4

B

-4

C

2

D

-2

Text Solution

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The correct Answer is:
B
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