evaluate using suitable identity :- (2a+7)(2a-7)
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Answer:
4a2 - 49
using identity (a2-b2)
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Using third identity : ( a^2 - b^2 ) = (a+b) ( a-b )
(2a)^2 - (7)^2
-> 4a^2 - 49
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(2a)^2 - (7)^2
-> 4a^2 - 49
Thank you
Hope it helps ya
Do mark me brainliest!!
Be safe ♥️
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