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The coefficient of x^(7) in the expansio...

The coefficient of `x^(7)` in the expansion of `(1-x-x^(2)+x^(3))^(6)` is:

A

132

B

144

C

`-132 `

D

`-144 `

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The correct Answer is:
D
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HIMALAYA PUBLICATION-BINOMIAL THEOREM-QUESTION BANK
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