For a certain value of k , the system
x + y + 3z = 10
-4x + 2y + 5z = 7
kx + z = 3
has no solutions. What is this value of k ?
For a certain value of k , the system
x + y + 3z = 10
-4x + 2y + 5z = 7
kx + z = 3
has no solutions. What is this value of k ?
see: https://web2.0calc.com/questions/help_12179#r1