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If underset( x to )(Lt) (ae^(x)-bcos x+...

If `underset( x to )(Lt) (ae^(x)-bcos x+c.e^(-x))/(x sinx)=2` then (a,b,c)

A

(1,2,1)

B

(1,-2,1)

C

(-1,2,1)

D

(1,2,-1)

Text Solution

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The correct Answer is:
A
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