Question

$\Huge{\underline{\sf Question:-}}$

Rationalise the denominator.

$\huge{\sf \dfrac{3}{\sqrt{5}-1}}$


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Answer 1

Answer:

15

Explanation:

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Answer 2

Explanation:

$\frac{3}{ \sqrt{5} + 1 } \\ \frac{3}{ \sqrt{5} + 1 } \frac{( \sqrt{5} - 1}{ ( \sqrt{5} - 1)} \\ \frac{3 \sqrt{5} - 3}{( \sqrt{5} {})^{2} - ( {1})^{2} } \\ \frac{3 \sqrt{5} - 3 }{5 - 1} \\ \frac{3 \sqrt{5} - 3 }{4}$

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