Question

on simplifying (√5+√7) whole square we get ________.

please answer step by step

Answer 1

${( \sqrt{5} + \sqrt{7} ) }^{2} = { \sqrt{5} }^{2} + { \sqrt{7} }^{2} + 2 \sqrt{5} \times \sqrt{7} \\ \\ 5 + 7 + 2 \sqrt{35} = 12 + 2 \sqrt{35}$


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Answer 2

heya...

Here is your answer....

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

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

$5 + 7 + 2( \sqrt{35} )$
$12 + 2( \sqrt{35} )$


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