AS June 2025 Paper 1 Q1

AQACurrent spec1 markComplex Numbers

1 Calculate the product

\[(3 + \mathrm{i})(2 - \mathrm{i})\]

Circle your answer. [1 mark]

  • \(5 - \mathrm{i}\)
  • \(5 + \mathrm{i}\)
  • \(7 - \mathrm{i}\)
  • \(7 + \mathrm{i}\)