Question

find the rationalising factor of the following:
anyone please do this sum n send me help me​

Answer 1

Answer:

l will do first one ........

Two surds are said to be rationalising factor of each other if the product of these two surds is a rational number. We know that, √5 × √5 = 5, which is a rational number. Therefore, the simplest rationalising factor of √5 is √5 .

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Answer 2

Answer:

1)

$\sqrt{5}$

2)

$\sqrt{3}$

3)

$\sqrt{7}$

4)

$\sqrt{3}$

5)

$\sqrt{2}$

6)

$\sqrt{5}$

Step-by-step explanation:

find the rationalising factor by simplifying the roots