Question

Rationalise the denominator of 1 divided by 3+root5

Answer 1

Answer:

(3-√5)/4

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Step-by-step explanation:

Answer 2

Step-by-step explanation:

$\frac{1}{3 + \sqrt{5} }$

$\red{this \: is \:nothing\:but\:rationalising\:factor(3 - \sqrt{5)}} \\</p><p>multiply\: both \: with\: rationalising\:factor$

$\pink{answer = \frac{3 - \sqrt{5} }{4} }$