IGCSE
EDEXCEL
Mathematics B (International)
4 Marks
QP-MathB0-201501-P1 · Question 19
Question (excerpt):
19 A = 1 2 3 4 ⎛ ⎝⎜ ⎞ ⎠⎟ B = 3 2 1 1 ⎛ ⎝⎜ ⎞ ⎠⎟ Find AB – BA ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ⎟
19 A = 1 2 3 4 ⎛ ⎝⎜ ⎞ ⎠⎟ B = 3 2 1 1 ⎛ ⎝⎜ ⎞ ⎠⎟ Find AB – BA ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ⎟
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