Simplify: (root5-2)^2 – InterviewSolution

1.

Simplify: (root5-2)^2

Answer»

${ \sqrt{(5 - 2)} }^{2}$

→ SOLUTION

${( \sqrt{5} - \sqrt{2} )}^{2} \\ 5 - 2 + 2 \sqrt{5} . \sqrt{2} \\ 3 + 2 \sqrt{10}$

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