The integrating factor of the differential equation
1) x 2) - 1/ x
If r1andr2 are the distances from the origin of points on the curve $$10\left( z\b
A transition element X has a configuration $$[Ar]3d^4$$, in its +3 oxidation state. Its atomic nu
The differential equation of the systems of all circles of radius r in the XY - plane is
