Multiply 6−√5 by its conjugate and simplify

Ncank asked Nov 9, 2023

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Ncank asked Nov 9, 2023

by Ncank

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19 votes

6 - √(5) * (6 + √(5) )/(6 + √(5) )

$\frac{(6 - \sqrt[]{5})(6 + √(5) ) }{6 + √(5) } = (36 - 5)/(6 + √(5) ) = (31)/(6 + √(5) )$

Deolinda answered Nov 16, 2023

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