Question

Definition of surd (in maths subject)

Answer 1

A surd is a number or quantity that cannot be expressed as the ratio of two integer s. The term also refers to a symbol ( ) that is sometimes used to indicate that the number or quantity that follows it is a root. The surd symbol, all by itself, indicates the square root (1/2 power).

Answer 2

when we can't simplify a number to remove a square number then it is called surd