(a) Use Desmos to draw the graph x(t) = cost, y(t) = sin³t for −ñ ≤ t ≤π. (b) Find the area of the bounded region. (c) Find the volume of solid of revolution by revolving the curve along the y-axis. (d) Write down the arc length integral of this curve from t = 0 to t = π/2.

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A: The given problem is to find the general solution for the given differential equation.

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Q: 7. Use Romberg method to calculate dx.

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A: Solution