JEE Math Practice Question
The sum of the co-efficients of all even degree terms in x in the expansion of $${\left( {x + \sqrt {{x^3} - 1} } \right)^6}$$ + $${\left( {x - \sqrt {{x^3} - 1} } \right)^6}$$, (x > 1) is equal to:
- A.32
- B.26
- C.29
- D.24
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