Question

Evaluate: $1+\frac12+\frac14+\frac18+\frac{1}{16}+...$

• A. 1/50
• B. 2
• C. 1/22
• D. 3

Answer 1

Answer:

B. 2

a = 1, r = 1/2 Sum = a/(1 - r) = 1/(1-1/2) = 1 / (1/2) = 2