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In the expansion of (x + sqrt(x^(2) -1))...

In the expansion of `(x + sqrt(x^(2) -1))^(6) + (x - sqrt(x^(2)-1))^(6)` , the number of terms , is

A

8

B

6

C

7

D

4

Text Solution

Verified by Experts

The correct Answer is:
D
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