Question

find the square root of each of the following by factor method 441​

Answer 1

Solution :

First we factor 441,

441=3x3x7x7

441= 3square x 7square

Taking root both side,

√441= √3square x √ 7square

√441= 3 x7

√441= 21

Therefore, The square root of 441 is 21.

Answer 2

square root factor will be = 21