Question

Simplify
√5-2 - 5+2
$\sqrt{5 \: } - 2 - \sqrt{5 } + 2$
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Answer 1

Simplification of

$</p><p></p><p>(√5-√2)(√5+√2)</p><p></p><p>= (√5)²-(√2)²</p><p></p><p>By \: algebraic\: identity \:Byalgebraicidentity</p><p></p><p>\boxed {(a-b)(a+b)=a^{2}-b^{2}}(a−b)(a+b)=a2−b2</p><p></p><p>= 5 - 2</p><p></p><p>= 3</p><p></p><p>Therefore,</p><p></p><p>(√5-√2) (√5+√2) = 3</p><p></p><p>••••</p><p></p><p>$

Answer 2

REFER THIS ATTACHMENT.

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