Question

The LCM of 2 what is the LCM of 2 x 2 x 3 and 2 x 2 x 2 x 2 x 3 x 5 is​

Answer 1

Answer:

Correct option is

C

x(x−2)(x−3)(x

2

−1)

x

2

−3x+2andx

3

−2x

2

−3x

x

2

−3x+2=x

2

−x−2x+2⇒x(x−1)−2(x−1)⇒(x−1)(x−2)

x

3

−2x

2

−3x=x(x

2

−2x−3)⇒x(x

2

+x−3x−3)⇒x(x(x+1)−3(x+1))⇒x(x+1)(x−3)

∴RequiredL.C.M=(x−1)(x−2)x(x+1)(x−3)

⇒x(x−2)(x−3)(x

2

−1)