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Calculus Volume 2

Review Exercises

Calculus Volume 2Review Exercises

Review Exercises

For the following exercises, determine whether the statement is true or false. Justify your answer with a proof or a counterexample.

408.

exsin(x)dxexsin(x)dx cannot be integrated by parts.

409.

1x4+1dx1x4+1dx cannot be integrated using partial fractions.

410.

In numerical integration, increasing the number of points decreases the error.

411.

Integration by parts can always yield the integral.

For the following exercises, evaluate the integral using the specified method.

412.

x2sin(4x)dxx2sin(4x)dx using integration by parts

413.

1x2x2+16dx1x2x2+16dx using trigonometric substitution

414.

xln(x)dxxln(x)dx using integration by parts

415.

3xx3+2x25x6dx3xx3+2x25x6dx using partial fractions

416.

x5(4x2+4)5/2dxx5(4x2+4)5/2dx using trigonometric substitution

417.

4sin2(x)sin2(x)cos(x)dx4sin2(x)sin2(x)cos(x)dx using a table of integrals or a CAS

For the following exercises, integrate using whatever method you choose.

418.

sin 2 ( x ) cos 2 ( x ) d x sin 2 ( x ) cos 2 ( x ) d x

419.

x 3 x 2 + 2 d x x 3 x 2 + 2 d x

420.

3 x 2 + 1 x 4 2 x 3 x 2 + 2 x d x 3 x 2 + 1 x 4 2 x 3 x 2 + 2 x d x

421.

1 x 4 + 4 d x 1 x 4 + 4 d x

422.

3 + 16 x 4 x 3 d x 3 + 16 x 4 x 3 d x

For the following exercises, approximate the integrals using the midpoint rule, trapezoidal rule, and Simpson’s rule using four subintervals, rounding to three decimals.

423.

[T] 12x5+2dx12x5+2dx

424.

[T] 0πesin(x2)dx0πesin(x2)dx

425.

[T] 14ln(1/x)xdx14ln(1/x)xdx

For the following exercises, evaluate the integrals, if possible.

426.

11xndx,11xndx, for what values of nn does this integral converge or diverge?

427.

1 e x x d x 1 e x x d x

For the following exercises, consider the gamma function given by Γ(a)=0eyya1dy.Γ(a)=0eyya1dy.

428.

Show that Γ(a)=(a1)Γ(a1).Γ(a)=(a1)Γ(a1).

429.

Extend to show that Γ(a)=(a1)!,Γ(a)=(a1)!, assuming aa is a positive integer.

The fastest car in the world, the Bugati Veyron, can reach a top speed of 408 km/h. The graph represents its velocity.

This figure has a graph in the first quadrant. It increases to where x is approximately 03:00 mm:ss and then drops off steep. The maximum height of the graph, here the drop occurs is approximately 420 km/h.
430.

[T] Use the graph to estimate the velocity every 20 sec and fit to a graph of the form v(t)=aexpbxsin(cx)+d.v(t)=aexpbxsin(cx)+d. (Hint: Consider the time units.)

431.

[T] Using your function from the previous problem, find exactly how far the Bugati Veyron traveled in the 1 min 40 sec included in the graph.

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