maths Maths Puzzle

Find all solutions of 3x + 4y = 5z, for integers x, y, and z.

Read Solution (Total 1)

maths Other Question

Find all 8-digit natural numbers n such that n2 ends in the same 8 digits as n. Numbers are written in standard decimal notation, with no leading zeroes. Show that 1 + x + x2/2! + x3/3! + ... + x2n/(2n)! is positive for all real values of x.