Asked by Catherine

Let F(a) be the area between the x-axis and the graph of y=x^2cos(x/4) between x=0 and x=a, for a>0 (consider the area to be negative if the graph lies below the axis).
Answered by Mgraph
Antiderivative (one of) of y is
4sin(x/4)(x^2-32)+32x*cos(x/4)
Answered by Catherine
Sorrr, I didn't ask what to find. I have to Find the formula for F(a).
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