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Hi. I'm having trouble understanding the logic behind finding a set of u for u(u-1) > 0. To solve these, I tend to factor as much as possible, then equate each expression to 0 (in this case to > 0) and solve, changing the > to < if I must divide by a negative number. I get u >0 and u > 1 but the solution is given as (-∞,0)U(1,∞), aka u>1 and u<0. Why does it say u<0?
Any help would be appreciated.
SOLVED. See below replies + http://tutorial.math.lamar.edu/Classes/Alg/SolvePolyInequalities.aspx
Any help would be appreciated.
SOLVED. See below replies + http://tutorial.math.lamar.edu/Classes/Alg/SolvePolyInequalities.aspx
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