Study Material for SSC CGL, CHSL, MTS, Prasar Bharti, FCI Exams : Square Root & Cube Root

Square Root & Cube Root

Square Root

The square root of a number is that number the product of which itself gives the given number, ie, the square root of 400 is 20, the square root of 625 is 25.
The process of finding the square root is called evaluation. The square root of a number is denoted by the symbol called the radical sign. The expression “√9” is read as “root time”, “radical nine” or “the square root of nine”.

Cube Root

The cube root of a number is that number the cube of which itself gives the given number ie, the cube root of 64 is 4. The cube root of a number is denoted by the symbol 3The expressions 38 read as “cube eight”, or the “cube root of eight”.

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