Asked by MArc
Find two non-intersecting intervals where f(x) +12x^4 + 50x^3 + 80x^2-100 has at least one root. Justify your answer.
Answers
Answered by
Steve
a little synthetic division will show that f(x) has roots in
(-2,-1) and (0,1).
(-2,-1) and (0,1).
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