O-LevelAdditional MathematicsSimultaneous equations4037/11 · May/June 2013 · Q181 Mark
Using your answer from part (i), or otherwise, find the value of b such that A[[a, b], [c, -1]] = [[7, 5], [17, d]] where A = [[2, -1], [3, 5]].
A1
B2
C3
D4
✓ Correct answer
B: 2
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