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Quiz-1-s12-SOLUTION

# Quiz-1-s12-SOLUTION - AMS 361 Applied Calculus IV by Prof Y...

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1 AMS 361: Applied Calculus IV by Prof. Y. Deng Quiz 1 Monday (02/20/2012) at 5:20PM-6:40PM in 001 ESS (1) Closed Book with 1-page (double-sided 8.5x11) self-prepared formulas. (2) Do any two of the three problems. If all three are attempted, the two best (and only two) will be graded. (3) Each problem is worth 5 points for a total of 10 points (max). (4) No points for guessing work and for solutions without appropriate intermediate steps; Partial credits are given only for steps that are relevant to the solutions. (5) No name, no grade and no question asked or answered. SB ID Name Problems To Grade? Score Remarks Q1-1 Q1-2 Q1-3 Total Score Q1-1 (5 Points): Find the general solution of the following DE: ࠵? = 2 cos ! ࠵? sin ! ࠵? + ࠵? ! 2 cos ࠵? You are given one solution to the DE: ࠵? ! ࠵? = sin ࠵? Q1-2 (5 Points): Find the general solution of the following DE using your favoriate method: ࠵? ! ࠵? ! + ࠵? ! ࠵? ࠵? ! = 2 ࠵? ! You are given one solution to the DE: ࠵?

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Quiz-1-s12-SOLUTION - AMS 361 Applied Calculus IV by Prof Y...

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