Square Roots and Cube Roots
Finding Square Roots of Numbers
The method of finding the square root of a number is based on the application of “Dvandvayoga” or Duplex. Calculation of“Dvandvayoga” (Duplex) is very important in calculating the square root of any number.
Watch the following video to understand the method of calculating the Duplex of a number.
Solved Examples
Example 1:
Calculate the Duplex of 2852
Solution:
Pair the digits of the number as shown below
Example 2:
Calculate the Duplex of 93242
Solution:
Pair the digits of the number as shown below
In order to calculate the square root of a number, the following points should be kept in mind:

An exact square cannot end in 2, 3, 7, and 8.

A p…
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