Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
You are not logged in.
- Topics: Active | Unanswered
Pages: 1
#1 2018-01-12 10:00:22
- thelightiger
- Guest
Arithmetic and Geometric Sequences
Find the sum and provide your answer in a fraction
1+i/2-1/4-i/8+1/16+i/32-...
#3 2018-01-13 22:58:26
- George,Y
- Member
- Registered: 2006-03-12
- Posts: 1,379
Re: Arithmetic and Geometric Sequences
Note the common ratio is a complex number.
X'(y-Xβ)=0
Offline
#4 2018-01-13 23:47:00
- Alg Num Theory
- Member
- Registered: 2017-11-24
- Posts: 693
- Website
Re: Arithmetic and Geometric Sequences
George,Y wrote:
Note the common ratio is a complex number.
It still works, provided the modulus of the common ratio is less than 1.
Me, or the ugly man, whatever (3,3,6)
Offline
Pages: 1