Question

definition of radical​

Answer 1

radical means a surd.

Root of 2 is a example of a surd .

Surd is irrational.

Let' a' be a rational number and n is a positive number then nth root of a is irrational then it is called as surd.

They are different types of surds . Those are quadratic surd , cubic surd , bi quadratic surd,binomial surd, trinomial surd , monomial surd and etc

please delete my answer . I thought it a math question