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(5+√5)(5-√5)

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(5+√5)(5-√5)

Posted by Prince Tanwar 1 year, 4 months ago

CBSE > Class 09 > Mathematics

5 answers

Mayank Jain 1 year, 3 months ago

20

Ambika Sharma 1 year, 3 months ago

Right answer is 20

Harshit Rautela 1 year, 4 months ago

Using identity (a+b)(a-b)=a^2 - b^2 (5)^2 - (√3)^2 25 - 3 =22

Harshit Rautela 1 year, 4 months ago

20

Arth Kaushal 1 year, 4 months ago

5 -5

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