Question

Daca (a, b) = 12 si [a, b] = 400, atunci a x b =

Answer 1

[tex]\text{Folosim identitatea }\boxed{(a,b)\cdot [a,b]=a\cdot b}\\ a\cdot b=12\cdot 400=4800\\ \text{Hope you understood} [/tex]

Answer 2

(a,b) × [a,b] = a×b
(a, b) = 12 si [a, b] = 400
a x b = 12× 400 = 4800

a x b = 4800