# Write the Rationalisation Factor of √ 5 − 2 . - Mathematics

Write the rationalisation factor of $\sqrt{5} - 2$.

#### Solution

Given that,sqrt5 - 2 we know that rationalization factor of  sqrta - b is  sqrta + b

So the rationalization factor of sqrt5 - 2is sqrt5 +2.

Concept: Operations on Real Numbers
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#### APPEARS IN

RD Sharma Mathematics for Class 9
Chapter 3 Rationalisation
Exercise 3.3 | Q 8 | Page 16

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