Homogeneous system and nonhomogeneous system

Nervous system and Hormonal system.

Compare the nervous system and endocrine system (hormonal system) for control and coordination in humans.

Homogenous & Non homogenous equation ||Crammer rule || System OF equation

A non Homogeneous system of 3 equations in three unknowns AX=D has unique solution, if

A non-Homogeneous system of 3 equations in three unknowns AX=D has infinitely many solutions, if

A non Homogeneous system of 3 equations in three unknowns AX=D has unique solution ,if

A non Homogeneous system of 3 equations in three unknowns AX=D has unique solution,if