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kevin7ama
 2 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
 2 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"

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kevin7ama
 2 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!
 2 years ago
Best ResponseYou've already chosen the best response.1something's not right with either your limits or your order of integration...

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

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

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

kevin7ama
 2 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!
 2 years ago
Best ResponseYou've already chosen the best response.1still something weird about it though... shouldn't be written like that...

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

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

Algebraic!
 2 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
 2 years ago
Best ResponseYou've already chosen the best response.0but then what? dont we need to simplifly

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

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

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

kevin7ama
 2 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
 2 years ago
Best ResponseYou've already chosen the best response.0ends up canceling everything out.... and the answer is supposed to be 3

kevin7ama
 2 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
 2 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!
 2 years ago
Best ResponseYou've already chosen the best response.1click 'best response'
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