Question

Rationalise 1/root5 and explain

Answer 1

hope its help you in your studies

Answer 2

✪ Answer : √5/5

✪ Step-by-step explanation :

Let's start that why we need to rationalize. It is dead sure that dividing 1 by root value of 5 is difficult. That's why there is strong need to rationalize which makes the calculation easier.

➣ How to rationalize?

= a/√b

= a/√b × √b/√b

= a√b/√b²

= a√b/b

➣ Similarly,

= 1/√5

= 1/√5 × √5/√5

= √5/√5² = √5/5