Algebrahard · Past Paper
For what value of 'p' does the system of equations px + 2y = 5 and 3x + y = 1 have no solution?
A6
B3
C1.5
D0
✓ Correct Answer: A — 6
No solution means a1/a2 = b1/b2 != c1/c2. p/3 = 2/1 -> p = 6.
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