Question

Find the lcm of 3(a-1), 2(a-1) squre , asqure -1

Answer 1

Answer:

LCM of. 3(a-1),2(a-1)^2,(a^2. -1)

we can write (a^2. -1)

as (a+1) (a-1)

then the LCM would be

(a-1)