Q32. If the coefficients of x2 and x3 in the expansion of (3 + ax)9 are the same, then the value of 'a' is:Mathematics — FAST Mock 6 — Question 32 of 120A. 8B. 7C. 9⁄7D. 8⁄7Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →