Math, asked by ojas38, 8 months ago

(√ 5 + √ 7) ( √ 5 -√ 7)

Answers

Answered by IncharaDevSakhya

9

Answer:

(√5+√7) (√5-√7)

a^2-b^2

(√5)^2 - (√7)^2

5-7

= -2.

Answered by muskaanpandey331

6

(√5+√7)(√5-√7)

using identity:(a+b)(a-b)=(a²-b²)

(√5)²-(√7)²

5-7

-2

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