The cube of a number is that number multiplied by itself twice. For example, 5 cubed – denoted as 5

^{3};

^{ }is equal to 5×5×5 = 125. The technique for cubing any 2-digit number discussed below is based on the algebraic observation.

Step-1:Write numbers in a row of 4 terms in such a way that the first one is the cube of the 1^{st}digit, second one is the square of 1^{st}number multiplied by 2^{nd}digit, third one is the 1^{st}digit multiplied by square of 2^{nd}digit and the fourth one is the cube of the 2^{nd}digit.Step-2: Write twice the values of 2nd and 3rd terms under the terms respectively in second row.Step-3:Add all the values column-wise and follow the carry over process.

**Example: ****!)Find Cube of 14.**

Step-1 : 1

^{3}1^{2}×4 1×4^{2}4^{3}Worked-out row : 1 4 16 64

Step-2 : 8 32

Step-3 : Add the values column wise.

Ex (12)^3 =. 1 2 4 8

4 8

Total =1728

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