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  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#26 2012-06-04 15:31:51

careless25
Real Member
Registered: 2008-07-24
Posts: 560

Re: Series Convergence

Your multiplication by the conjugate is wrong from step 1 to step 2.

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#27 2012-06-04 17:15:30

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,048

Re: Series Convergence

Fixed it.


“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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