The symbol √, which is used to represent the square root of a number, is called as Radical.
The number under the root symbol is called radicand.
The expression
is read as "a radical n" or "the n th root of a"
The expression
is read as "ath root of b raised to the c power
,
,
etc. are some of the examples of radical.
is also written as

A. 
B. 
C. 
D. 
Correct Answer: A
Step 1:-
=
[Use the formula
=
]
Q1: What is the simplified form of √16?
Q2: What is the radical form of x^(1/2)?
Q: What is a radicand?
A: The radicand is the number or expression underneath the radical symbol.
Q: What is the difference between a square root and a cube root?
A: A square root (index of 2) asks what number multiplied by itself equals the radicand. A cube root (index of 3) asks what number multiplied by itself twice equals the radicand.