Question

Rationalise the denominator: 5 2+√3​

Answer 1

Step-by-step explanation:

2

3

The procedure of multiplying a surd by another surd to get a rational number is called RationalisationThe operands are called rationalizing factor (RF) of the other

2

3

×

3

=6

The Rationalizing factor of 2

3

is

3

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Answer 2

Hello ,

$\tt \implies \: \frac{5}{2 + \sqrt{3} } \\ \\ \tt \implies \: \frac{5}{2 + \sqrt{3} } \times \frac{2 - \sqrt{3 } }{ 2- \sqrt{3} } \\ \\ \tt \implies \: \frac{10 - 5 \sqrt{3} }{4 - 3} \\ \\ \tt \red \therefore \pink{10 - 5 \sqrt{3} }$

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