Question

(√7+√11)square how to expand it
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Answer 1

$( { \sqrt{7} + \sqrt{11} )}^{2}$

$( { \sqrt{7}) }^{2} + ( { \sqrt{11} )}^{2} + 2 \times \sqrt{7} \times \sqrt{11}$

$7 + 11 + 2 \sqrt{77}$

$18 + 2 \sqrt{77}$

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