(a) The cubic function fsxd xsx 2 2dsx 2 6d has three
Chapter , Problem 26(choose chapter or problem)
(a) The cubic function fsxd xsx 2 2dsx 2 6d has three distinct zeros: 0, 2, and 6. Graph f and its tangent lines at the average of each pair of zeros. What do you notice? (b) Suppose the cubic function fsxd sx 2 adsx 2 bdsx 2 cd has three distinct zeros: a, b, and c. Prove, with the help of a computer algebra system, that a tangent line drawn at the average of the zeros a and b intersects the graph of f at the third zero.
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