Question

solve this with identities plzzz​

Answer 1

Answer:

Hey.... Previous answer I sent on ur insta

Answer 2

Answer:

p⁴-81

(p²)²- (9)²

Answer: p²-9

4.(9x+7)²

identity that will be applied will be–

(a+b)²=a²+b²+2ab

(9x+7)² = 81x²+49 +2×9x×7

answer = 81x²+49+126x

5. a⁴-b⁴

(a²)²-(b²)²

answer– a²-b²

7 question is same as 4 question try it you can do it

11 question is same as 1st questiond 14 also