Mathematics 0580 · IGCSE · Sequences

Sequences — practice question

(a)[10]

Fill in the table for the three sequences.

(b)[1]

For a sequence, the sum of the first 49 terms is 7644. The sum of the first 50 terms is 7975. Find the 50th term of this sequence.

Worked solution & mark scheme

This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: “A: Correct term identified as 9” …

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI