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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...

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