Given matrices A = ((4, 3), (1, 2)) and B = ((-2, -3), (1, 1)), Find 2A – B.

1. (a)(i)Given matrices A = ((4, 3), (1, 2)) and B = ((-2, -3), (1, 1)), Find 2A – B.[1]
2. (a)(ii)Given matrix B = ((-2, -3), (1, 1)), Find B⁻¹.[2]
3. (b)ℰ = {natural numbers} P = {factors of 8} Q = {factors of 12} List the elements of the set P ∪ Q.[2]
4. (c)Use set notation to describe the shaded subset in the Venn diagram. [Diagram showing a Venn diagram with two intersecting sets M and N, with the intersection shaded][1]

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