ART 1001 Chapter : Bus Calc Hmwk 18 Sec 6 2 U Substitution
Document Summary
Fair warning: be sure to do all the steps of actually writing u = and du = even if you can clearly see the answer without them. Later on (hmwk 21) we will add to the steps of u = and du = If you are not in the habit of writing u = and du = then you have doomed yourself. I"ve yet to see the student (and i"ve encountered many brilliant ones) who can do hmwk 21 without writing out all steps. Multiply inside to get what you need and divide in front to compensate u = x9-4. 8 x dx u du du eu eu + 4 x e dx x x u = 9+e4x. 1 x dx u du u = ln x. Then du = (1/x) dx du u 3 u + 3 x ln u du x u 3. 65 thus the point (0, 65) exists tn.
