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If 1/sqrt(2x+1) {(1+sqrt(2x+1))^n-(1-sqr...

If `1/sqrt(2x+1) {(1+sqrt(2x+1))^n-(1-sqrt(2x+1))^n} = a_0+a_1x+a_2x^2+........+a_10x^10` then `n` must be equal to (A) 20,21 (B)21,22 (C)22,23 (D)none of these

A

20, 21

B

21, 22

C

22, 23

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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