CAPE Pure Mathematics Unit 2 · May/June 2006 · Paper 2 · Question 6(a)(ii)
If A = [[1, 2, -1], [-1, 2, 1], [1, -2, 3]] and B = [[2, -1, 1], [1, 1, 0], [0, 1, 1]].
Deduce A^(-1).
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Practise this questionOther parts of this question
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