Simplify the following expression:(5-2)(5+2) - Vidyadip

Question

Simplify the following expression:$(\sqrt{5}-\sqrt{2})(\sqrt{5}+\sqrt{2})$

✓

Answer

$(\sqrt{5}-\sqrt{2})(\sqrt{5}+\sqrt{2})$As we know, $(a + b)(a - b) = (a^2 - b^2)$
$=\sqrt{5\times5}-\sqrt{2\times2}$
$=5-2$
$=3$

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