Find the values of k for which the set of equations 2x – 3y + 6z – 5t = 3, y – 4z + t = 1, 4x – 5y + 8z – 9t = k have (1) no solution (2) infinite number of solutions.
My Self Assessment
a) No solution if k ≠ 7
Infinite solutions if k = 7
