Question

what is the formula of squara root

Answer 1

For example, 4 and -4 are the square roots of 16 because 42 is 16.

x−−√n=x1nxn=x1n

In order to calculate the square root, we first need to find the factors of a given number, then group the common factor together. Group the pairs separately if the factors have any perfect square. The square root of the square of a number is the number itself.

For example, the number 36 The factors of 36 is given as 6 x 6. Since it is perfect square, its square root is 6.

SOLVED EXAMPLES

Question 1: What is the square root of 144?

Solution:

The factors of 144 are given as,
144 = 12××12
144−−−√=12×12144=12×12

Question 2: What is the square root of 80?

Solution:

The factors of 80 are given as,
80=4×4×5−−−−−−−√80=4×4×5
80=5–√4

Answer 2

in a square ABCD,AB,bc,CD,da.