Sum of odd terms is A and sum of even terms is B in the expansion \[{{(x+a)}^{n}},\]then [RPET 1987; UPSEAT 2004]

\[AB=\frac{1}{4}{{(x-a)}^{2n}}-{{(x+a)}^{2n}}\]

\[2AB={{(x+a)}^{2n}}-{{(x-a)}^{2n}}\]

\[4AB={{(x+a)}^{2n}}-{{(x-a)}^{2n}}\]

Sum of odd terms is A and sum of even terms is B in the expansion \[{{

1.	Sum of odd terms is A and sum of even terms is B in the expansion \[{{(x+a)}^{n}},\]then [RPET 1987; UPSEAT 2004]
A.	\[AB=\frac{1}{4}{{(x-a)}^{2n}}-{{(x+a)}^{2n}}\]
B.	\[2AB={{(x+a)}^{2n}}-{{(x-a)}^{2n}}\]
C.	\[4AB={{(x+a)}^{2n}}-{{(x-a)}^{2n}}\]
D.	None of these
Answer» D. None of these

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Sum of odd terms is A and sum of even terms is B in the expansion \[{{(x+a)}^{n}},\]then [RPET 1987; UPSEAT 2004]

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