Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
NCTM or The Math Forum.


Math Forum
»
Discussions
»
sci.math.*
»
sci.math
Notice: We are no longer accepting new posts, but the forums will continue to be readable.
Topic:
Approximation to square roots
Replies:
7
Last Post:
Jan 19, 2014 10:01 AM




Approximation to square roots
Posted:
Jan 16, 2014 8:33 PM


Is this a known theorem? "For each N,there exists a rational x / y such that the difference x / y  Sqr(N) is less than 1 / [2N^2.Sqr(N)]. x, y is a solution of Pell´s equation x^2 + N.y^2 = 1 ". Ludovicus



