Easy Squaring Shortcut 6

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Easy Squaring Shortcut 6

Find the square of the number containing Repeated  9
Step-1: Count the digit, Count=n
Step-2: First write (n-1) times 9 then 8
Step-3 Again (n-1) times 0 then 1

Example: Find the square of 9999?
Find the square of 9999
We see that there are 4 times 9
Now we write (4-1=3) times 9 then 8,{9998}
Now 3 times 0 then 1{0001}
So Answer Will be 99980001

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