- 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.
- 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 = x x y = xy . y y y y
Square Root and Cube Root - Important Formulas |Aptitude
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