Question

simplify each of the following expression (√3+√7) root 2

Answer 1

Heya !!!

(✓3 + ✓7 )²

we know that,

(A+B)² = (A)² + (B)² + 2 × A × B.

=> ( ✓3)² + (✓7)² + 2 × ✓3 × ✓7



=> ✓3 × ✓3 + ✓7 × ✓7 + 2✓21

=> 3 + 7 + 2✓21

=> 10 + 2✓21

HOPE IT WILL HELP YOU..... :-)

Answer 2

(√3 + √7)²

------------------------
By Formula,
(a + b)² = a² + b² + 2ab
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Applying formula,

(√3 + √7)²

=> (√3)² + (√7)² + 2(√3×√7)

=> 3 + 7 + 2√21

=> 10 + 2√21

=> 2(5 + √21)

I hope this will help you

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