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If the function f(x) = (x(e^(sinx) -1))/...

If the function `f(x) = (x(e^(sinx) -1))/( 1 - cos x ) ` is continuous at x =0 then f(0)=

A

1

B

0

C

2

D

`(1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C

`f(0)= lim_(x to 0) f(x) =lim_(x to 0) (x(e^(sinx)-1))/(1-cosx)`
`=lim_(x to 0) (e^(sinx)-1)/(sinx)*(sinx)/(x) *(x^(2))/(1-cosx)=2`
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