GRADE 11 · MATHEMATICS · TOPIC 8

Sequences and Series

A geometric progression multiplies each term by a fixed ratio.

CONCEPT EXPLAINED

Understand the concept

A geometric progression multiplies each term by a fixed ratio.

SOLVED EXAMPLE

Next after 2,6,18

  1. Step 1: Each term multiplies by 3.

Final answer: 54

PRACTISE YOURSELF

Next after 5,10,20

Show the answer

40

Try another similar question and explain each step aloud. Refer to your school syllabus for topic level and notation.