Mark M. answered • 07/21/19
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Retired math prof. Calc 1, 2 and AP Calculus tutoring experience.
y' = slope of tangent line
So, 3x2 = 4x3
3x2 - 4x3 = 0
x2(3 - 4x) = 0
So, x = 0 or 3/4
Tasnia H.
asked • 07/21/19Find all values of x where the tangent lines to y = x^3 and y = x^4 are parallel.
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