A solid metal spherical ball of radius 7cm is put inside a cylinder of radius 5cm and height 13cm. If the cylinder is now filled
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X, x+2 - two consecutive odd or even numbers
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Now add the squares of the numerator and denominator, as in the example.
So this number has to be a perfect square.
It is a perfect square, so this method always works.
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are a Pythagorean triple for any 
.
Add the reciprocals of these numbers.
Now add the squares of the numerator and denominator, as in the example.
So this number has to be a perfect square.
It is a perfect square, so this method always works.
The numbers