[Know it] Quick square !

Jenitkumar

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Here is a trick for quick square in maths :


Step1: If you need to square a 2 digit number ending in 5, you can do so very easily with this trick.

Step2: Mulitply the first digit by itself + 1, and put 25 on the end.

Step3:That is all!

Step4: Ex:25 ie(2*(2+1))&25

Answer:625

From : Easycalculation
 
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