Q61. What is the sum of the infinite series: 1 - 2x + 3x2 - 4x3 + ... ?Mathematics — NUST Mock 1 — Question 61 of 200A. (1 + x)-2B. (1 + x)-3C. (1 - x)D. (1 + x)-1Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →