Show that every positive rational number can be presented as a ratio of powers' sum in the following way:
where a,b,c,d are positive integers, not necessarily distinct.
Normal numbers are entire numbers, parts, and decimals - the numbers we use in our every day lives. They can be composed as a proportion of two whole numbers. Dissertation
Levelheaded numbers are appeared differently in relation to unreasonable numbers - numbers, for example, Pi, √2, √7, different roots, sines, cosines, and logarithms of numbers.