caluclas (intersection of three planes) HELP!!!?
in the equations k is a real number
1.x-2y+z=4
2.x-y-z=3
3.x+y+kz=1
for what values of k does the system
1.have exactly one solution?
2.have an in finite number of solution?
in the equations k is a real number
1.x-2y+z=4
2.x-y-z=3
3.x+y+kz=1
for what values of k does the system
1.have exactly one solution?
2.have an in finite number of solution?