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SAGE

sage2

A SAGE plot

A SAGE plot

sage: f = x*(x-1)*(x-2)+1
sage: B = integral(f,x,.5,1.5)
sage: p = plot(f, 0.5, 1.5, fill=True) + plot(f, 0, 2)
sage: p += text(“$\int_{1/2}^{3/2} (x(x-1)(x-2)+1)\, dx = 1$”, (1.5,1.2),fontsize=17,color=”black”)
sage: show(p)

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