CAIE IGCSE Mathematics Extended E2.7.1 Sequences

CAIE IGCSE Mathematics Extended E2.7.1 Sequences
Cambridge IGCSE Mathematics 0580 syllabus for exams in 2028, 2029 and 20302028–2030

Practise forming geometric nth-term rules from listed terms, including increasing powers and decreasing sequences with ratio 1/2.

How this is tested

  • use the first term and common ratio to build a formula for u_n
  • check the n power against the first listed term before giving the final rule