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12. Consider the plane curve y =x^3/(45)^1/2 for 0 ≤ x < ∞. a. [4] Find...

12. Consider the plane curve y =x^3/(45)^1/2 for 0 ≤ x < ∞.

a. [4] Find the x-coordinate of the point where the curvature of the curve is minimal.
b. [4] Find the x-coordinate of the point where the curvature of the curve is maximal.

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