Wednesday, June 17, 2009

What is Square Root 1521 ?

Finding Square Root of a number is a tedious job. I will help you with an example. What is Square Root 1521 ?

To find square root we have to split the number into two. The multiplication result of new splitted numbers should reproduce the orginal number.

Example 1 : Square root of 4.
Split number 4 into two parts whos multiplication result will reproduce the same number.
So we can split 4 as 2 x 2 (2x2 can reproduce 4).
So square root of 4 is 2.

Example 2 : So what is Square Root 1521 ?
Just as mentioned, split 1521 into two number whos multiplication result will result 1521.
So we can split as 39x39.
So square root of 1521 is 39.

Try yourself with more examples and this will help you to answer some questions in competitive exams.

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Thank You.