Question

if the system of the equations x-ky-z=0,kx-y-z=0,x+y-z=0has a non zero solution, then the possible values of k are
A) - 1,2
B)1,2
C)0,1
D)-1,1​

Answer 1

If the system of equations x-ky-z=0,kx-y-z=0,x+y-z=0 has a nonzero solution, then the possible value of k are -1,2 b
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