Thread: Matrix and values of constant m

I've got this matrix:
{{1,0,0,2m-1},{0,1,0,-1},{0,0,1,1-m}}

how to find values of m for which the system has:

no solution
infinitly many solutions
a unique solution
???

thx for help

Originally Posted by Snowboarder

I've got this matrix:
{{1,0,0,2m-1},{0,1,0,-1},{0,0,1,1-m}}

how to find values of m for which the system has:

no solution
infinitly many solutions
a unique solution
???

thx for help

Start by calculating the determinant.