Sunday, 13 October 2013

three perfect squares

If n is a positive integer greater than 1 such that (3n + 1) is perfect square, then show that (n + 1) is the sum of  the three perfect squares.
at
Labels:

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)

Define f:R→R by \[f(x)= \begin{cases}(1-\cos x) \sin \left(\frac{1}{x}\right), & x \neq 0 \ 0, ...