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The coefficient of the 10th term in ,the...

The coefficient of the 10th term in ,the expansion of `(x-(1)/(x))^(20)` is -

A

`.^(20)C_(9)`

B

`.^20C_(9)`

C

`.-^(20)C_(10)`

D

`.^20C_(10)`

Text Solution

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The correct Answer is:
A
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