1. Square Root:
If x2 = y, we say that the square root of y is x and we write y = x.
Thus, 4 = 2, 9 = 3, 196 = 14.
2. Cube Root:
The cube root of a given number x is the number whose cube is x.
We, denote the cube root of x by x.
Thus, 8 = 2 x 2 x 2 = 2, 343 = 7 x 7 x 7 = 7 etc.
Note:
1. xy = x x y
2. x/y = x/y = x/y * y/y = xy/y
