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Quiz for MATH 221 - ELEM CALCULUS II with Washington at Maryland (UMD)

Quiz Information

Material Type:Quiz 2
Professor:Washington
Class:MATH 221 - ELEM CALCULUS II
Subject:Mathematics
University:University of Maryland
Term:Fall 2006
Keywords:
  • Unauthorized
  • Provided That
  • Calculators
  • Unauthorized Assistance
  • Honor Pledge
  • Living Will
  • You Have...
  • Initial Conditions
  • Engineering
  • Mathematics
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Sample Document Text

MATH 221 (Washington) Exam 2 October 26, 2006 Name: TA and time: C"lanCOjh 6l p rn This exam has 3 pages. Solve each problem in the space provided and clearly indicate your answer. If you need more space, use the reverse side of the page and indicate that you have done so. You must show your work to receive credit for a problem. You may NOT use calculators. At&v::>e.( _ . 1. 1 15 pOints) Solve y' = 6te- 3t - 3y, y(O) = 5. ----t>- 0 n bo...C\L crt fQf~1 "p"--\ CG\\Cu\C\-non: -t(,~):;-\" -\\L~}-;.T----' (37 ~r) '-d~~t :: lDt e- 5b -3'1 - p--j-f:;. '- '" ._ \ _e-3t ql)<..)~'-VlC:~'):;;'"3 J3~ d~ ::fllte-3~ db ~u 1 = to S -te 3 \:;. c\ \:, 0; ...) I -- lt. \ - 3t.. _ .')- c}Lj'2- :;: & (- 3t-e - 9 e 1 C (j -- -st" 0( - 3t C J.. '3 _ '2-- = - ate --e + 3 ___ )1 3 2. (15 points) Solve y' = (e t + 4)y2, %t ~(et:-t tf) ~-:& 5 ~2 dlj jl~~ t '-\-') c\t.- The following formulas might be useful: y = e-A(t) [J eA(t)b(t) dt + cJ ' J fgdx = fG - J f'Gdx 1 ...

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