How to square
the double digit number

This trick
use simple multiplication and addition to get square of two digit number with
in fraction of second. You can use this method to double any number from 11 to
99.Here we go

Let us start
with number 14

Square of
14= 14 ×14

14

__×14__

__196__

Right Hand
side digit = 4 * 4 = 1

__6__,So the first digit is 6 and one carry
Second digit = 2(1×4)
+ 1 = 9

Third digit = 1 ×1
= 1

So the
answer is 196

General rule
for multiplication

2

^{nd}digit 2(1*4) + 1 carry from first digit
1 4 4 * 4 = 1

**6**
3rd digit (1*1 + carry2

^{nd}digit)__1 4__
1 9 6

now 23* 23

first digit 3*3 = 9

2nd digit = 2(2*3) + carry from first here it is 0 so 2nd digit = 12

3rd digit = 2 * 2 + carry from second digit here it is 1 = 5

answer is 529

Try 23 27 87
99 34 and share the result with others in comment

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