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If f(a)=2, f'(a)=1, g(a)=3, g'(a)=-1, th...

If `f(a)=2, f'(a)=1, g(a)=3, g'(a)=-1`, then `underset(x to a)lim (f(a)g(x)-f(x)g(a))/(x-a)` is equal to

A

6

B

1

C

`-1`

D

`-5`

Text Solution

Verified by Experts

The correct Answer is:
D
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