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Ekadhikena Purvena Sutra: Meaning, Formula & Example

Ekadhikena Purvena means “by one more than the one before”. A familiar application is squaring a whole number that ends in 5: multiply the part before 5 by its next integer, then append 25.

How the Ekadhikena method works

For 35², take the leading digit 3, multiply it by 4, then attach 25 to get 1,225. The method applies to numbers ending in 5; it is not a general shortcut for every square.

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