Question

please help me. I will mark you as brainliest​

Answer 1

Answer:

1) option-(c)

2) option-(d)

3) option-(c)

4) option-(b)

5) ab^2 - bc^2 -ab + c^2

= ab^2 -ab - bc^2 + c^2

= ab(b - 1) - C^2(b - 1)

= (ab - c^2) (b - 1)

6) 9a^2 -42ab + 49b^2

by using,

.

9a^2 -42ab + 49b^2 = (3a - 7b)^2

9) 18x^3 - 32xy^3

= 2xy(9x^2 - 16y^2)