Question

The LCM of 8ab and 12a^2 is

A. 48a³b.
B.) 48a²b.
C. 24a²b.
D. 24ab.
E. 48a².
of 8ab

Answer 1

C. 24a²b

Explanation:

8ab = 4a × (2b)

12a² = 4a × (3a)

Then

LCM(8ab , 12a²) = 4a × (2b) × (3a)

= (4×2×3) × (a×a×b)

= (24) × (a²×b)

= 24a²b