Simplify (√5+√2)`2

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Simplify (√5+√2)`2

Posted by Akshat Sanghi 7 months, 2 weeks ago

CBSE > Class 09 > Mathematics

1 answers

Jasmeet Kaur 7 months, 2 weeks ago

( √ 5 + √ 2 ) 2 = ( √ 5 ) 2 + ( √ 2 ) 2 + 2 × √ 5 × √ 2 [ ∵ ( a + b ) 2 = a 2 + b 2 + 2 a b ] = 5 + 2 + 2 × √ 5 × √ 2 = 7 + 2 √ 10

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