Math, asked by nathuramthakre3035, 1 month ago

(2a+7)(2a-7) nitysam no upyog

Answers

Answered by tarushaamit

1

Answer:

4a²-49

Step-by-step explanation:

2a+7

× 2a-7=

= 4a²+14a-14a-49

= 4a²-49

= (2a)²-(7)²

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