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Question

In the expansion of $(1 + x)^{50}$ the sum of the coefficients of odd powers of x is
0
$2^{49}$
$2^{50}$
$2^{51}$

A

2^{49}

B

2^{50}

C

0

D

2^{51}

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Solution

Verified by Toppr

Sum of coefficients of odd power is $2^{n - 1}$
$\Rightarrow^{50} C_{1} +^{50} C_{3} + . . . .^{50} C_{49} = 2^{49}$
Option $B$ is correct.

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