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3.8 The Maple Packages • 87> ApproximateInt(-2/3*x^2+x, x=0..3/2, method=midpoint,> output=plot, view=[0..1.6, -0.15..0.4]);Since the result is not a good approximation, increase the number ofboxes used to forty.> ApproximateInt(-2/3*x^2+x, x=0..3/2, method=midpoint,> output=plot, view=[0..1.6, -0.15..0.4],> partition=40);What is the actual value? First, use n boxes and output the sumformula.> ApproximateInt(-2/3*x^2+x, x=0..3/2, method=midpoint,> output=sum, partition=n);