Three planes can fail to have an intersection point, when no two planes are parallel
Chapter 1, Problem 1.3.19(choose chapter or problem)
Three planes can fail to have an intersection point, when no two planes are parallel. The system is singular if row 3 of A is a of the first two rows. Find a third equation that cant be solved if x+y+z = 0 and x2yz = 1.
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