CAPE Pure Mathematics Unit 2 · May/June 2016 · Paper 2 · Question 5(c)(i)
A matrix A is given as [[2, 1, -1], [0, 4, 3], [-1, 6, 0]].
Find |A|, the determinant of A.
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Practise this questionOther parts of this question
- 5(a)(i)Determine the number of possible seating arrangements of the passengers who boarded the bus at the terminal.[2 marks]
- 5(a)(ii)At the first stop, no passengers will get off the bus but there are eight other persons waiting to board the same bus. Among those waiting are three friends…[4 marks]
- 5(b)What is the probability that Gavin and Alexander are the opening pair for a given match?[5 marks]
- 5(c)(ii)Hence, or otherwise, find A^(-1), the inverse of A.[10 marks]
More practice: the rest of this paper · more Matrices and Systems of Linear Equations questions · all CAPE Pure Mathematics Unit 2 past papers