Все публикации

General solution of (1+x)y - (1+y)x dy/dx =0

General solution of axdy/dx =by

General solution of dy/dx + ay + b =0

Solution of d2y/(dt)2-dy/dt-2y=0 Or D2y - Dy -2y =0 {y(0)=3, Dy(0)=0} with constant coefficients.

Solution of d2y/dt2+8y=0 OR D2y+8y=0 {solution of y'+8y=0} with constant coefficients

Two body problem and its reduction to One body(2 body-1 body with reduced mass)

Differential equation of SHM (Simple Harmonic Motion)

Integration of cosx/sinx dx

d/dx (dy/dx)square or Differentiate (dy/dx)^2

Integration of cosz/sinz dz

join shbcf.ru