It is an inmediate consequence of Rouche-Fröbenius's theorem. Have you studied it?.
Fernando Revilla
Q22: If Rank of a matrix is equal to No. of variable then it have
A. Non-Trivial solution, x = y = z? 0
B. Trivial Solution, x = y = z = 0
C. x = y = 0, z = 0
D. None
how?
It is an inmediate consequence of Rouche-Fröbenius's theorem. Have you studied it?.
Fernando Revilla
I interpreted it in that way (the stamentet is not clear) .
Fernando Revilla