MathematicsMedium64×since 2002Q2982The sum of the co-efficients of all even degree terms in x in the expansion of (x+x3−1)6{\left( {x + \sqrt {{x^3} - 1} } \right)^6}(x+x3−1)6 + (x−x3−1)6{\left( {x - \sqrt {{x^3} - 1} } \right)^6}(x−x3−1)6, (x > 1) is equal to:A32B26C29D24Check answerSkip