?For the following exercises, find \(d^{2} y / d x^{2}\) at the given point without

Chapter 1, Problem 98

(choose chapter or problem)

For the following exercises, find \(d^{2} y / d x^{2}\) at the given point without eliminating the parameter.

Find t intervals on which the curve \(x=3 t^{2}, y=t^{3}-t\) is concave up as well as concave down.

Text Transcription:

d^2 y / dx^2

x=3t^2, y=t^3 - t

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