Question

$\frac{1}{sqrt{5} -1}$ Please rationalize the denominator

Answer 1

Step-by-step explanation:

$\frac{1}{ \sqrt{5} - 1 }$

$\frac{1}{ \sqrt{5} - 1 } \times \frac{ \sqrt{5} + 1 }{ \sqrt{5} + 1}$

$\frac{ \sqrt{5} + 1 }{5 - 1}$

$\frac{ \sqrt{5} + 1}{4}$

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