anonymous
  • anonymous
Can someone explain problem #9 on the practice final for me? I'm totally confused as to how their geometric description of the region "R" ends up being the circle given... Also, on problem #18, why does the range for theta only go from 0 to (pi)/2? How are they getting those bounds?
OCW Scholar - Multivariable Calculus
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
phi
  • phi
Are you asking about this one: http://ocw.mit.edu/courses/mathematics/18-02sc-multivariable-calculus-fall-2010/final-exam-1/practice-final-exam/MIT18_02SC_pracfinal.pdf ? If so, do you mean problem 10? (problem 9 does not have any circle)
anonymous
  • anonymous
Oh shoot, yeah, I did mean #10! Can you help Phi? You've explained a bunch of things that've confused me in the past, really, really well, and I just wanted to let you know how much I appreciate it :).
phi
  • phi
I can't make any sense of Problem 10. For problem 18, in rectangular coords x and y, the limits are 0 to infinity |dw:1450318850508:dw|

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anonymous
  • anonymous
Yeah, I think problem 10 was just royally screwed up XD. I still don't understand on #18 why theta maxes out a (Pi)/2
phi
  • phi
Do you agree that the region covered by x=0 to inf, y=0 to infty is the 1st quadrant? In polar coords, all points in the first quadrant have an angle between 0 (i.e. the x-axis) and pi/2 (the y-axis)
anonymous
  • anonymous
OH. WOW. WOOOOW. I feel reaallly stupid right now. Sorry man, I'm really spacin' here XD Thanks for giving my brain a much needed kick-start

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