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In the expansion of (1 + x) (1 + x+ x^(...

In the expansion of ` (1 + x) (1 + x+ x^(2)) …(1 + x + x^(2) +… +x^(2n))` , the sum of the coefficients is

A

1

B

2n!

C

2n!+1

D

`(2n +1)!`

Text Solution

Verified by Experts

The correct Answer is:
d
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