For the curve y=ax^3+bx^2+12x-7, what values of a and b will make the tangents to the curve at x=2 and x=3 horizontal?

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.2: Introduction To Conics: parabolas
Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.
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For the curve y=ax^3+bx^2+12x-7, what values of a and b will make the tangents to the curve at x=2 and x=3 horizontal?

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