What is the sum to infinity of the geometric series ?

Answer and explanation

Correct answer: D. 12

  1. Step 1: Determine the first term and common ratio .
  2. Step 2: Because , the infinite geometric series converges and its sum is given by .
  3. Step 3: Substitute and : .
Answer
12.

Practise more Sequences and series.

Free questions with an explanation for every one, and full timed GATE mock tests.