Question

the value of is(√5+√2)²is​

Answer 1

Answer:

( √5 + √2 )²

BY USING ( a + b )^2 = a^2 + b^2 + 2ab

( √5 + √2 )²

⇒ ( √ 5 )² + ( √ 2 )² + 2( √5 × √ 2 )

⇒ 5 + 2 + 2√( 5 × 2 )

⇒ 5 + 2 + 2√10

⇒ 7 + 2√10

HOPE ITS HELP YOU...

Answer 2

Using (a+b)^2=a^2+b^2+2ab

=(√5)^2+(√2)^2+2*√5*√2

=5+2+2√(5*2)

=7+2√10

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