Hello, djmccabie!

Couldn't you uselettersfor the constants?

a) Using reduction to echelon form, or otherwise,

i) Find the value of for which these equations do not have a unique solution.

We have: .

. .

If , the system does not have a unique solution.

ii) For this value of , find the value of for which the equations are consistent.

If , then produces a system with an infinite number of solutions.

(If , the system hasnosolution.)

b) For your values of , find the general solution of these equations.

If and , then [3] becomes: .

And we have: .

. . which can be written: .

On the right, replace with a parameter

This representsthe solutions to this system of equations.all