Question

$( sqrt{5} + sqrt{6} ) ^{2}$

Answer 1

=5+6+2√5*√6=11+2√30
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Answer 2

$(sqrt{5}+ sqrt{6})^2 = sqrt{5}^2+2 sqrt{5} sqrt{6}+ sqrt{6}^2=5+2 sqrt{20} +6=11+2 sqrt{30}$