An irrational number cannot be rationalized

Order will be according to the order of powers

The irrational number may or may not be rationalized

An irrational number cannot be rationalized

Rationalize the denominator

Resolve the different powers into a single one to see if the number obtained is rational or irrational

Refer the definition of rational numbers

Refer the definition of rational numbers

Mark 0,1,2,3,4 and mark 2 as B

Convert all the numbers into a single power by taking LCM