Question

The constant term in the expansion of (a — 3)(a — 4) is

(a) 12 (b) —12 (c) 7 (d) —7​

Answer 1

(a — 3)(a — 4)

=>a(a — 4) — 3(a — 4)

=>a^2— 4a — 3a + 12

So the constant term is 12

Answer 2

Answer:

The constant term in the expansion of (a — 3)(a — 4) is 12.