Math, asked by Anonymous, 1 month ago

evaluate using suitable identity (2a+7) (2a-7)

Answers

Answered by rudra251206

17

Identity:- (a+b)(a-b). = a²-b²

;::-- (2a+7)(2a-7)= (2a)² - (7)²

=> 4a²-49

hope it helps

#@₹_maths guy

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