Q55. The sum of the binomial expansion Σr=0 to n nCr an-r br is equal to:Mathematics — Mathematical Inductions and Binomial Theorem — Question 55 of 95A. (a + b)nB. (a − b)nC. an + bnD. n(a + b)Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →