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Square Of a Number Ending In 5

Sachidananda R.

01/06/2017 0 0

Let's say we want to get the square of 35 i,e 35 x 35,

Take the first no ie 3,take the next number i,e 4,

Multiply 3 and 4 ie 3 x 4 = 12,

Place 25 after 12,

So, the answer is 1225,

Lets try some more,

75 x 75 = (7x8) 25 = 5625,

25 x 25 = (2x3) 25 = 625,

Similar techniques for getting squares of any number, square roots, cube roots available.

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