Use De Moivre's theorem to simplify the expression. Write the answer in the form a + bi.
4
A. 256i
B. 128 + 128i
C. 128
+ 128i
D. 128 + 128i
Answer: D
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Evaluate the integral.
dt
A. 9 cos 
+ C
B. - 
cos 
+ C
C. -cos 
+ C
D. 
cos 
+ C
Multiply or divide as indicated.(-40) ÷ (-8) × (-3)
A. -5 B. 5 C. 15 D. -15
Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
Consider the following timeline using two processors.
A. This timeline is an illegal schedule. B. This timeline is an optimal schedule. C. This is the timeline one gets using the critical-path algorithm. D. This is the timeline one gets using the decreasing-time algorithm. E. none of these
Use DeMoivre's Theorem to find the indicated power of the complex number. Write the answer in rectangular form.
5
A. -128 + 128i
B. - 
+ 
i
C. -64 + 64i
D. -64
+ 64
i