Question

Sunil applied ………………….. identity to solve (√5 + √7)(√5 − √7)​

Answer 1

Answer:

IDENTITY APPLIED :- a²-b²

=(√5+√7)(√5-√7)

=(√5)²-(√7)²

=5-7=-2 answer

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MARK BRAINLIEST PLS

Answer 2

Answer:

( a+b ) ( a−b ) = a^2-b^2

Step-by-step explanation:

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