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| rev | Admin | (Created page with "'''Solution: A''' <math>K=v+v^2+\cdots+v^2+v^4+v^6+\cdots=\frac{v}{1-v}+\frac{v^2}{1-v^2}=\frac{(1+v) v}{1-v^2}+\frac{v^2}{1-v^2}=\frac{v+2 v^2}{1-v^2}</math> <math>=\left(\right.</math> mult. num and den by <math>\left.(1+i)^2\right)=\frac{1+i+2}{(1+i)^2-1}=\frac{3+i}{i(2+i)}</math> '''References''' {{cite web |url=https://web2.uwindsor.ca/math/hlynka/392oldtests.html |last=Hlynka |first=Myron |website=web2.uwindsor.ca | title = University of Windsor Old Tests 62-392...") | Nov 26'23 at 22:10 | +528 |