Question

simplify the following expreession (root3+root7)square

Answer 1

Let see your answer !!!!!

$( \sqrt{3} + \sqrt{7} ) ^{2} \\ \\ = ( \sqrt{3} ) ^{2} + ( \sqrt{7} ) ^{2} + 2 \times \sqrt{3} \times \sqrt{7}) \\ \\ = 3 + 7 + 2 \sqrt{21} \\ \\ = 10 + 2 \sqrt{21}$




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Answer 2

a+b square =a square +2ab +b square .
root 3 square + 2 root3root7 +root 7 square