Question

(5root3 +9)square solve this
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Answer 1

$(5 \sqrt{3} + 9) ^{2}$

$(5 \sqrt{3} )^{2} + 2(5 \sqrt{3} )(9) + (9) ^{2}$

$75 + 90 \sqrt{3} + 81$

$156 + 90 \sqrt{3}$