Math, asked by vivekchaudhari4696, 1 year ago

How would you simplify (√5+4)(√5−1)?

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Answered by Anonymous

3

$(\sqrt{5} -4) (\sqrt{5} - 1)\\\\=5-4\sqrt{5} -\sqrt{5} + 4\\ \\=9-5\sqrt{5} \\\\Required \:value.$

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