Q1 A of 42 Page 136

Let’s find G.C.D of the following algebraic expressions:
4a²b², 20ab²

4a²b², 20ab²

Factors of 4a²b²=4×a×a×b×b

Factors of 20ab²=4×5×a×b×b

GCD is the greatest common divisor, which is equal to the product of all the common divisors.

∴ The GCD of 4a²b², 20ab² is 4ab²

1 B

Let’s find G.C.D of the following algebraic expressions:

5p²q², 10p²q², 25p4q³

1 C

Let’s find G.C.D of the following algebraic expressions:

7y³z₆, 21y², 14z²

1 D

Let’s find G.C.D of the following algebraic expressions:

3a²b²c, 12a²b⁴c², 9a⁵b⁴

2 A

Let’s find the L.C.M. of the following algebraic expressions:

2x²y³, 10x³y

Let’s find G.C.D of the following algebraic expressions:4a2b2, 20ab2