baaaaaaaagoat5831 baaaaaaaagoat5831 08-02-2024 Mathematics contestada If the coefficient of x in (1+x)¹⁰¹(1 - x + x²)¹⁰⁰ is b, then which of the following is/are correct? (rEW)A. b = 0 when n = 3rB. b ≠ 0 when n = 3rC. b≠ 0 when n = 3r +1D. b = 0 when n = 3r + 2