A community for students.
Here's the question you clicked on:
 0 viewing
kevin7ama
 3 years ago
im having trouble integrating the double iterated integral
R= [0,3] X [0,rad(9y^2)]
and the function inside the integral is "y dy dx"
kevin7ama
 3 years ago
im having trouble integrating the double iterated integral R= [0,3] X [0,rad(9y^2)] and the function inside the integral is "y dy dx"

This Question is Open

kevin7ama
 3 years ago
Best ResponseYou've already chosen the best response.0\[\int\limits_{0}^{3}\int\limits_{0}^{\sqrt{97^{2}}} y dy dx\] thats the integral

Algebraic!
 3 years ago
Best ResponseYou've already chosen the best response.1something's not right with either your limits or your order of integration...

kevin7ama
 3 years ago
Best ResponseYou've already chosen the best response.0sorry your right.... its y dx dy

Algebraic!
 3 years ago
Best ResponseYou've already chosen the best response.1if you're integrating in 'dy' .. your limits will be functions of x

Algebraic!
 3 years ago
Best ResponseYou've already chosen the best response.1integral of ydx is yx +C

kevin7ama
 3 years ago
Best ResponseYou've already chosen the best response.0ive tried u sub...and integration by parts. but i just cant get the answer....

Algebraic!
 3 years ago
Best ResponseYou've already chosen the best response.1still something weird about it though... shouldn't be written like that...

kevin7ama
 3 years ago
Best ResponseYou've already chosen the best response.0the problem just says.... evaluate the iterated integral

Algebraic!
 3 years ago
Best ResponseYou've already chosen the best response.1they're writing it weird to try and throw you off I guess...

Algebraic!
 3 years ago
Best ResponseYou've already chosen the best response.1anyway... plug in the limits on 'x' ... ( 0 ... srt(9y^2) ) and then evaluate with respect to dy

kevin7ama
 3 years ago
Best ResponseYou've already chosen the best response.0but then what? dont we need to simplifly

Algebraic!
 3 years ago
Best ResponseYou've already chosen the best response.1so (y*sqrt(9y^2) + C) dy

Algebraic!
 3 years ago
Best ResponseYou've already chosen the best response.1you can use u sub.s ...

Algebraic!
 3 years ago
Best ResponseYou've already chosen the best response.19y^2 = u 2y dy = du y dy = du/2

kevin7ama
 3 years ago
Best ResponseYou've already chosen the best response.0yes but then we need to plug in 3 into \[\sqrt{93^{2}}\] wich equals 0 in the rad

kevin7ama
 3 years ago
Best ResponseYou've already chosen the best response.0ends up canceling everything out.... and the answer is supposed to be 3

kevin7ama
 3 years ago
Best ResponseYou've already chosen the best response.0ive done this problem like no lie 10 times and i never pluged in the lower limit = 0 giving me the right answer 9

kevin7ama
 3 years ago
Best ResponseYou've already chosen the best response.0thank you so much for letting me realize this. how to i give a medal??

Algebraic!
 3 years ago
Best ResponseYou've already chosen the best response.1click 'best response'
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.