FL10quiz4 - ( D + 5) 2 y ( t ) = 0 . Hint: You will need...

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ESE 351 Quiz 4 Name: 9/14/2010 Sections D.1-D.6; 3.1. a. What is the magnitude, | z | , of z = 3 - i 4? b. What is the angle, z , of z = - 5 i ? Answer in either radians or degrees, but you need to specify your choice. c. What is the formula for n X k =1 k where n is a positive integer? d. What is the general solution y ( t ) for the following differential equation?
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Unformatted text preview: ( D + 5) 2 y ( t ) = 0 . Hint: You will need two arbitrary constants: C 1 and C 2 . e. What is the general solution y ( k ) for the following dierence equation? S -1 5 2 y ( k ) = 0 . Hint: You will need two arbitrary constants: C 1 and C 2 ....
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