Identify which of the following are surds and which are not with reasons
Given, 4√5 ÷ √8
Need to find 4√5 ÷ √8 is surd or not
⇒ we know √a ÷ √b = 
⇒ 4√5 ÷ √8 can be written as 
⇒ 
= 
= 
= 
is irrational number
since, 
cannot be expressed as squares or cubes of any rational numbers
⇒ Hence, it is surd.
AI is thinking…
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.
