Question

simplify (√5+√7)^2

please help me​

Answer 1

Answer:

12 + 2√35

Step-by-step explanation:

(√5+√7)^2 = (√5)^2 + (√7)^2 + 2√5√7

=5 + 7 + 2 √35

=12 + 2√35

This is your answer.. please mark me brainliest...

Answer 2

Step-by-step explanation:

• Use Square of Sum: $\tt {(a+b)}^{2}={a}^{2}+2ab+{b}^{2}$

$\tt\implies {\sqrt{5}}^{2}+2\sqrt{5}\sqrt{7}+{\sqrt{7}}^{2}$

$\tt\implies 5+2\sqrt{5\times 7}+7$

$\tt\implies5 + 2 \sqrt{35} + 7$

$\boxed{ \red{ \tt\implies12 + 2 \sqrt{35} }}$