Use DeMoivre's Theorem to find the indicated power of the complex number. Write the answer in rectangular form.(1 + i)20
A. -1024
B. 1024
C. 1024i
D. -1024i
Answer: A
Mathematics
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Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.2x3 + 2x2 - 40x
A. 2x(x - 4)(x + 5) B. 2x(x + 4)(x - 5) C. (x - 4)(2x2 + 10) D. (2x2 + 8x)(x - 5)
Mathematics
Factor completely.150x2 + 420xy + 294y2
A. 6(5x - 7y)(5x + 7y) B. 6(5x + 7y)2 C. (30x + 42y)(5x + 7y) D. 6(25x2 + 70xy + 49y)
Mathematics
For the pair of functions, find the indicated domain.f(x) = x2 - 16, g(x) = 2x + 3Find the domain of g ? f.
A. 
? 
B. (-4, 4)
C. (-?, ?)
D. 
Mathematics
Divide.12.6 ÷ 21
A. 0.6 B. 1.6 C. 16 D. 6
Mathematics