Exercise 8: Compute x/1 – x4 dx via: (a) Using a trigonometric substitution x2 (b) Using a hyperbolic substitution x2 (c) Using a u-substitution u = x², and then proceeding in a more normal fashion. Remark: In parts (a) and (c), you should get an expression involving arcsin (hopefully the same one), but in part (b) you should get an expression involving arctan. Since these are both integrals of an everywhere continuous (where defined) function, they are apparently different up to a constant. Try to show this explicitly. = sin 0. tanh 0.

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Exercise 8: Compute x/1 – x4 dx via:
(a) Using a trigonometric substitution x2
(b) Using a hyperbolic substitution x2
(c) Using a u-substitution u = x², and then proceeding in a more normal fashion.
Remark: In parts (a) and (c), you should get an expression involving arcsin (hopefully the same
one), but in part (b) you should get an expression involving arctan. Since these are both integrals of an
everywhere continuous (where defined) function, they are apparently different up to a constant. Try to
show this explicitly.
= sin 0.
tanh 0.
Transcribed Image Text:Exercise 8: Compute x/1 – x4 dx via: (a) Using a trigonometric substitution x2 (b) Using a hyperbolic substitution x2 (c) Using a u-substitution u = x², and then proceeding in a more normal fashion. Remark: In parts (a) and (c), you should get an expression involving arcsin (hopefully the same one), but in part (b) you should get an expression involving arctan. Since these are both integrals of an everywhere continuous (where defined) function, they are apparently different up to a constant. Try to show this explicitly. = sin 0. tanh 0.
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