How do you find the sum of the infinite geometric series 1/2 - 1/6 + 1/18 - ...?

Related questions

• What are some examples of infinite series?
• Can an infinite series have a sum?
• What are some examples of convergent series?
• What are common mistakes students make with infinite series?
• How do I use an infinite series to find an approximation for pi?
• How do I find the sum of the infinite series 1 + #1/5# + #1/25# +... ?
• How do I find the sum of the infinite series #1/2# + 1 + 2 + 4 +... ?
• What are some examples of divergent series?
• How do you find the sum of the infinite geometric series 1/2+1/4+1/8+1/16..?
• How do you find the sum of the infinite geometric series 3-1+1/3...?