In mathematics, what is the sum of the infinite geometric series ?

Answer and explanation

Correct answer: D.

  1. Step 1: The first term is and common ratio is . Step 2. Since , the sum is . **Answer: . Why not the others:** 8 approximates the sum of the first few terms, and 12 results from dividing by .

Practise more Calculus, Functions, Geometry, and Probability.

Free questions with an explanation for every one, and full timed Maturità / Esame di Stato (Italy) mock tests.