Thread: Area of region

Basically, what i have is



would i then distribute?




Then, integrate?



then,



evaluated from 0 to 4

Is this correct? I cant seem to get a decent answer. Wolfram gives me weird steps and an answer i cant match...And when would i do something with the 2pi? Do i use 2pi for each side?

Originally Posted by icelated

evaluated from 0 to 4

Is this correct?

Looks good so far. When you evaluate from 0 to 4 you should get:

Originally Posted by icelated

Basically, what i have is



would i then distribute?




Then, integrate?



then,



evaluated from 0 to 4

Is this correct? I cant seem to get a decent answer. Wolfram gives me weird steps and an answer i cant match...And when would i do something with the 2pi? Do i use 2pi for each side?

umm if you evaluate the last line that you have from 0 to 4 you will get the correct answer! Does W.A give you ?

yeah, thats the answer but i cant seem to get that. Does the 2pi get times by both sides after i fill in 4 for x?

Originally Posted by icelated

This means



Now just use algebra to simplify

That answers my questions thank you. Do i need to do anything to the thread?

Originally Posted by icelated

Do i need to do anything to the thread?

Nope. We don't generally close threads around here unless there's been a violation of rules. Although, come to think of it, if you like, you can mark the thread as solved. That's in the "Thread Tools" menu.