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Let (1+x)^(n) = 1+a(1)x + a(2)x^(2) + ……...

Let `(1+x)^(n) = 1+a_(1)x + a_(2)x^(2) + ……+ a_(n)x^(n)`. If `a_(1), a_(2)` and `a_(3)` are in AP, then the value of n is

A

4

B

5

C

6

D

7

Text Solution

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The correct Answer is:
D
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