Subjects
Maths CBSE Homework Assignments
Class 9
Number System
Operations on real numbers

2. Rationalise the expressions

Question:

5 m.

Rationalise the following expressions:

1.

\frac{1}{\sqrt{43}}

$\frac{\sqrt{43}}{43}$
$\sqrt{43}$
$\frac{1}{43}$

2.

\frac{1}{15 + \sqrt{3}}

$\frac{15 + \sqrt{3}}{3}$
$\frac{15 - \sqrt{3}}{222}$
$\frac{15 - \sqrt{3}}{15}$

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