when you subtract one square number from another =5

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25-02-2017
Mathematics

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when you subtract one square number from another =5

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Zepdrix Zepdrix · Answer 1 · 2017-02-25T15:44:22+01:00

Zepdrix Zepdrix

25-02-2017

Perfect squares:

1^2 = 1
2^2 = 4
3^2 = 9
4^2 = 16
5^2 = 25
6^2 = 36
...

Which of these perfect squares are 5 units apart?
Well, simply do the subtraction to find out.

36 - 25 = 11
16 - 9 = 7
9 - 4 = 5

Ah we found the squares! 9 and 4.

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