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  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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#1 2006-02-05 02:16:33

DeadOrAlive
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matrices

i have 2 equations

12-20i-5(i+I)= 0
8-5I-5(i+I)=0

ifi i3 = i+I determine the values by solving 1 and 2 by matrices....

i havent got a clue what to do can anyone do it?

#2 2006-02-05 08:01:12

John E. Franklin
Star Member

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Re: matrices

What does "ifi i3" mean?


igloo myrtilles fourmis

#3 2006-02-06 00:04:29

DeadOrAlive
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Re: matrices

if i3

i put an extra i in there by accident

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