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The 2^(nd),3^(rd)and4^(th) terms in the ...

The `2^(nd),3^(rd)and4^(th)` terms in the expansion of `(x+a)^(n)` are 240 ,720 and 1080 repectively .
The value of `(x-a)^(n)` can be -

A

64

B

`-1`

C

`-32`

D

81

Text Solution

Verified by Experts

The correct Answer is:
B
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