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Simplify : (5+√2)²

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Simplify : (5+√2)²

Posted by Omkar Kalashetty 7 years, 11 months ago

CBSE > Class 09 > Mathematics

2 answers

Arnav Mehra 7 years, 11 months ago

Use identity (a+b)^2=a^2 + b^2 + 2ab (5+ /2)^2 = 5^2 + /2^2 + 2×5×/2 (route 2 = /2, i don't have the route sign) =25+2+10/2 =27+/2 Since they are unlike, they cannot be added.

7Thank You

Kaira Goenka 7 years, 11 months ago

(5-√2)(5+√2)

3Thank You

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CBSE > Class 09 > Mathematics