Week 15 was my favorite week of school so far because we had nothing to do for school. WEll i hope everyone had a nice thanksgiving this week; my thanksgiving was alright i had a bad thing happen but overall it was a good week and the food was great. And my birthday is in 2 days yeah thats right december first. WEll now lets get to the rundown about mathmatics.
Welll monday we were off tuesday we were off wendsday we were also off thursday was no exception we were off that day too and friday so we didn't do anything in calculus the whole week.
So integration you have two types
indefinite- your answer is an equation
and definite- your awnser is a number
indefinite is basically the backwards version of a derivative
and definite intervals are a little different
If you have b/s\a f(X)dx=f(b)-F(a)= your awnser
first you take the indefnite and then you plug in your b and subtract it by your a pluged in to get your awnser.
For what i don't understand and what i have the most trouble with is substitution so if anyone can help me with that thanks much obliged.
As for that packet i got wednesday because i missed friday i have no idea what im doing which is a big problem and i finally did my wiki the link finally worked. yeah
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Steven these are the steps to substitution:
ReplyDelete1. find u by looking inside the parentheses inside the problem
2. take the derivative of u to get du
3. go into the origional problem and substitute u in where x is supposed to go and du where dx is supposed to go
4. integrate
5. plug in
hope this helps you