Question

please answer me 8th question of 9th class maths​

Answer 1

Answer:

(√5+2)

Step-by-step explanation:

The rationalisation factor of (√5-2) is (√5+2).

What is a rationalisation factor?

The value which make an irrational number as a rational number is called rationalisation factor.

What is rationalisation?

Rationalisation is the process of making an irrational number a rational number.

What is a rational number?

A rational number is a number which is in the form of p/q where both p and q are co prime Integers and q≠0.

Answer 2

Hope it helps !!!!
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