HOW TO SQUARE & CUBE A NUMBER-LEARN SERIES:

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INTRODUCTION:

 In Competitive exams like IBPS which is becoming tougher year by year,Simplification is the only topic in which we can score easily and obtain 5 marks less than 5 minutes.Today we are going to look on how to square & cube a number anyway this is not going to ask as a separate question but it may be in Simplification and other miscellaneous topics also

HOW TO SQUARE A NUMBER :

To square a number there is only two steps

1)78²

Whenever a number is given,split the number into two parts unit digit as 1 part and remaining number as tens part

78 =   7 / 8

Step 1:

Step 2:

Keep the Unit digit in each Column & Carry the remaining number to the next Column.

2)128²

Whenever a number is given,split the number into two parts unit digit as 1 part and remaining number as tens part

    128=12 /  8

STEP 1:

STEP 2:

Keep the Unit digit in each Column & Carry the remaining number to the next Column.

HOW TO CUBE A NUMBER:

To Cube a Number there is one more Step additional to the above 2 steps which we had seen while squaring a number.

1)78³

When ever a number is given just divide the number into 2 parts unit digit as 1 part and remaining number as 2nd part.

7 / 8

STEP 1:

STEP 2:

Double the digits in C2 and C3

STEP 3:

Keep the Unit digit in each column and carry over the remaining number to the next column:

2)128³

When ever a number is given just divide the number into 2 parts unit digit as 1 part and remaining number as 2nd part.

(12 / 8)³

STEP 1:

STEP 2:

Double the digits in C2 and C3

STEP 3:

Keep the Unit digit in each column and carry over the remaining number to the next column:

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