IGCSE
EDEXCEL
Mathematics B (International)
4 Marks
QP-MathB0-201601-P1 · Question 18
Question (excerpt):
18 A = 1 2 2 1 − ⎛ ⎝⎜ ⎞ ⎠⎟ B = − ⎛ ⎝⎜ ⎞ ⎠⎟ 2 3 1 5 Find (a) 2A – 3B ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ⎟ (2) (b) AB ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ⎟ (2)
18 A = 1 2 2 1 − ⎛ ⎝⎜ ⎞ ⎠⎟ B = − ⎛ ⎝⎜ ⎞ ⎠⎟ 2 3 1 5 Find (a) 2A – 3B ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ⎟ (2) (b) AB ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ⎟ (2)
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