# webwork4.pdf - Margarita Christoff BB WeBWorK assignment...

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Margarita ChristoffBBWeBWorK assignment due : 10/12/2018 at 11:59pm EDT.1.(1 point) Use integration by parts to find the following:Zxe3xdx=.Hint:Use the substitutionu=xanddv=e3xdx(2 points) Evaluate the following definite integrals:(a)R10x2exdx=.(b)R10x22xdx=.(c)R21(ln(x))2dx=.(d)Rπ20cos6(x)dx=.2.(1 point) Evaluate the definite integral.5.(2 points) Evaluate the following definite integrals:(a)R10x2exdx=.(b)R10x22xdx=.(c)R21(ln(x))2dx=.(d)Rπ20cos6(x)dx=.
Z7t2ln(5t)dt
Answer(s) submitted:0(incorrect)3.(1 point) Use integration by parts to find the following:Z(t+7)e2t+3dt=.Hint:Use the substitutionu=t+7anddv=e2t+3dx
4.(1 point) Use integration by parts to find the following:Zxsin2xdx=.
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dx, Mathematical Association of America, Margarita Christoff
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