MathematicsHard64×since 2002Q2912The coefficient of x^−5 in the binomial expansion of (x+1x23−x13+1−x−1x−x12)10,{\left( {{{x + 1} \over {{x^{{2 \over 3}}} - {x^{{1 \over 3}}} + 1}} - {{x - 1} \over {x - {x^{{1 \over 2}}}}}} \right)^{10}},(x32−x31+1x+1−x−x21x−1)10, where x ≠\ne= 0, 1, is :A1B4C−-− 4D−-− 1Check answerSkip