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Square and Cube Roots

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Introduction: The square root of a number is equal to one of the two equal factors of the number, while the cubic origin of a number is equal to one of the three equal factors of the factor.

Note:
(i)
The full numeric square root of a number can be possible only if the number of the unit of that number is one of 0, 1, 4, 5 or 9.
(ii)
Any unit can have a digit for the full numerical cube.

 


Square Root : The square root can be determined by the following two methods.

1. Factorizing method (FACTORIZATION METHOD): By extracting the square root of the number obtained by this method, by breaking this into the form of multiplication, the equal number is added and multiplied by one number from each pair By achieving the desired square root is achieved.

 

2. Part method (DIVISION METHOD): The number given to remove the square root by this method, two-to-two digit pairs are drawn from the right side. If one point is left on the left hand side, then the verb is started with the same number, or if the added digit survives, the verb begins with the added number. Later the added score is dropped together.

Example 1. 1525 books are to be kept in bundles in such a way that the number of books in each bundle is as much as the total bundles are created. If this is to be done then how many books will be taken out?

So the number of books to be removed = 4 Answer.

Therefore, the desired square root = 246 Ans .

NOBLE SUGGESTION: Most of the questions based on square root and cube in Banking examinations are such that the smallest number of square root and solid roots have to be removed. The square root and the cube root of such numbers should be remembered. Some numbers are also such that it can be easily identified with square root and solid productivity method, but sometimes larger numbers also have to be removed from the square root.
The square root of such numbers is extracted by the method.

 

* Remember the square root of the following numbers

 

 ** Remember the square root of the following numbers up to three decimal digits

 

Some more Important Examples:

 

Cube Root: To find the cube root of a number, that number is broken into the form of multiplication and the same type of three-three multiplication is made. By multiplying each of these equal factors, one factor of the product, the desired cube is obtained.

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