Question

Simplify:
(1/√5+√2)+(1/√5-√2)

Answer 1

Answer:

$2 + (\sqrt{5 {}^{} } ) {}^{2} - ( \sqrt{ 2}) {}^{2} \\ \\ 2 + 5 - 2 \\ \\ 7 - 2 \\ \\ = 5$

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