In the expansion of \[{{(1+x)}^{n}}\] the sum of coefficients of odd powers of x is [MP PET 1986, 93, 2003]

In the expansion of \[{{(1+x)}^{n}}\] the sum of coefficients of odd p

1.	In the expansion of \[{{(1+x)}^{n}}\] the sum of coefficients of odd powers of x is [MP PET 1986, 93, 2003]
A.	\[{{2}^{n}}+1\]
B.	\[{{2}^{n}}-1\]
C.	\[{{2}^{n}}\]
D.	\[{{2}^{n-1}}\]
Answer» E.

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In the expansion of \[{{(1+x)}^{n}}\] the sum of coefficients of odd powers of x is [MP PET 1986, 93, 2003]

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