Evaluate using suitable Identities 1. (2a+7) (2a-7)
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Step-by-step explanation:
Aaj in which day is the answer of what we do have a positive and share it now can you please tell me the answer is no
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Ans-
(2a+7) (2a-7)
using identity- a²-b² = (a+b) (a-b)
we have RHS
so LHS=(2a)²-7²
Therefore ur Ans= (2a)²-7²
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