Question

expand and simplify (√3+√7)^2.​

Answer 1

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

Answer 2

Answer:

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