9231 P21 - Nov 2024 - Q1 - 4 marks
5951
Find the set of values of \(k\) for which the system of equations
\(\begin{array}{r} x+5 y+6 z=1 \\ k x+2 y+2 z=2 \\ -3 x+4 y+8 z=3 \end{array}\)
has a unique solution and interpret this situation geometrically.
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