ThePrismSolutions

ThePrismSolutions

SQUARE ROOTS AND CUBE ROOTS

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 * √y

2.

(x/y) = √x / √y = (√x / √y) * (√y / √y) = √xy / y


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