If in the expansion of (x + a)n, the sum of odd terms is P and the sum – McqOptions

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1.	If in the expansion of (x + a)n, the sum of odd terms is P and the sum of even terms is Q, then the value of (x + a)2n - (x - a)2n is:
A.	P + Q
B.	P - Q
C.	PQ
D.	4PQ
Answer» E.

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