Question

Help me finding their L.C.M( answers it in direct without processing, only the answer) ​

Answer 1

a) LCM of (a + 1)(a - 1) and (a - 1) is

(a + 1)(a - 1).

b) LCM of (x - 2)(x + 3) and (x - 2)(x - 3) is

(x - 2)(x + 3)(x - 3).

c) LCM of a(x + y)(x - y) and b(x - y) is

ab(x + y)(x - y).