English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

a^(n)-b^(n)=c^(2)-d^(2)
like 7^(3)-4^(3)=48^(2)-45^(2)
x^(n)=z^(2)-y^(2)
like 3^(3)=14^(2)-13^(2)
from here we can very easily prove that 1 can only be expressed as difference of two squares nor as two cubes,fourth powers etc.

2006-08-08 03:47:20 · 3 answers · asked by rajesh bhowmick 2 in Science & Mathematics Mathematics

3 answers

sorry! it would be much of a pain taking for a mere 2 points. if u give me 10, i'll get back to u with the proof

2006-08-10 18:50:17 · answer #1 · answered by debashis j 2 · 0 0

I don't have enough room to show you.

2006-08-08 11:52:22 · answer #2 · answered by Grant d 4 · 0 0

get a life!!

2006-08-08 10:59:15 · answer #3 · answered by Jazz 4 · 0 0

fedest.com, questions and answers