Question

find hcf of 12x2y and 20 xy2​

Answer 1

Answer:

4XY

Step-by-step explanation:

12x²y = 2×2×3×X×X×Y

20xy²=2×2×5×X×Y×Y

so, here common numbers in both are- 2×2×X×Y

hence 4XY is HCF of the above no.

hope it helps..plz mark me as the brainliest

Answer 2

Answer:

Factorizing 4x2 - 9y2, we get

(2x)2 - (3y)2, by using the identities of a2 - b2.

= (2x + 3y) (2x - 3y)