Question

Sum of coeff. Of all odd degree terms in exp. Of (x+√x^3-1)^5+(x-√x^3-1)^5

Answer 1

The sum of the co-efficients of all odd degree terms in the expansion of
(x+√(x3-1))5+(x-√(x3-1))5  , (x > 1) is
(1) –1 (2) 0 (3) 1 (4)