Question

simplify the following. 1) (√5+7)whole square​

Answer 1

Answer:

Step-by-step explanation:

$(\sqrt{5}+7 )^{2}$

$(\sqrt{a} + b)^{2} = (\sqrt{a} )^{2} +2\sqrt{a} .b+b^{2}$ = $a +2\sqrt{a} .b +b^{2}$

$(\sqrt{5}+7 )^{2} = 5 + 14\sqrt{5} +49 =54 +14\sqrt{5}$