Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

#1 Help Me ! » help please to understand a step in partial diff. equations » 2015-11-10 05:57:06

A_Helal
Replies: 1

my problem in the photo

http://www.m5zn.com/newuploads/2015/11/10/png//81192750f1d3b55.png

Board footer

Powered by FluxBB