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Let the coefficients of powers of x in t...

Let the coefficients of powers of x in the 2nd ,3rd and 4th terms in the expansion of `(1+x)^(n)` ,where n is a positive integer ,be in arithmetic progression .Then the sum of the cofficients of odd powers of x in the expansion is-

A

32

B

64

C

128

D

256

Text Solution

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The correct Answer is:
B
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