Question

a) What is the definition of the square root of a number k?
b) what is the definition of the cube root of a number k?
c) what is the definition of the n^th root of a number k?
d) What are the limitations of working with roots and real numbers?

Answer 1

A is the right one that is what I chose

Answer 2

#a

Square root of k is a factor of the number k that when it is multiplied with itself yields the result as k

#b

Cube root of k is a factor of the number k that when it is multiplied thrice with itself yields the result as k

#c

n th root of k is a factor of the number k that when it is multiplied n times with itself yields the result as k

#d

• For even value of root it should be positive to be real
• For odd value it can be both positive and negative