Question

1. Expand the following using suitable identities:
6
(a) (a + 7b)square
(b) (5p -2)square​

Answer 1

Answer:

Here is your answer mate

Step-by-step explanation:

(a)²+(7b)²+2×a×7b

a²+7b²+14ab

B). (5p)²+(2)²-2×5p×2

25p²+4-20p

Hope it helps......!

Answer 2

Answer:

ans

(a) is (a + 7b)² = (a² + 14ab + 49b²) [by using identity (a+b)² = (a²+2ab+b²]

(b) is (5p - 2)² = (25p² - 20p + 4) [by using identity (a-b)² = (a²-2ab+b²]

DONE!

I hope it will help you

.....✿