Math, asked by madhulikaglv, 10 months ago

the value of √5-√7 square is​

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Answers

Answered by visheshagarwal153
3

\sf \Bigg ( \sqrt{5} - \sqrt{7} \Bigg )^2 = ( \sqrt{5} )^2 + ( \sqrt{7})^2 - 2 \times \sqrt{5} \times \sqrt{7}

\sf ( \sqrt{5} - \sqrt{7} )^2 = 5 + 7  - 2 \sqrt{35}

\sf ( \sqrt{5} - \sqrt{7} )^2 = 12 - 2 \sqrt{35}

Therefore option (2) is correct!

Answered by haritharokkam1
0

Answer:

(√5-√7)²=(√5)²+(√7)²-2·√5·√7

=5+7-2·√35

=12-2·√35

=10√35

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