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posted by Duke Thursday, June 6, 2013 at 3:04pm.
1200=500/x + 500/x^2 + 500/x^3 + 500/x^4
1200 = 500(1/x+1/x^2+1/x^3+1/x^4) 12/5 x^4 - x^3 - x^2 - x - 1 = 0 Now, quartics are tough to solve algebraically. Use your favorite numerical method to crack this one.
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