Find the given power. Write answer in rectangular form.(1 + i)20
A. -1024i
B. -1024
C. 1024
D. 1024i
Answer: B
Mathematics
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Simplify, if possible.
+ 5
+ 7
A. 12
B. 35
C. 35
D. 12
Mathematics
Find all the first order partial derivatives for the following function.f(x, y, z) = z(ex)y
A. 
= zyexy; 
= zxexy; 
= exy
B. 
= zxexy; 
= zyexy; 
= exy
C. 
= zyexy; 
= zxexy; 
= zexy
D. 
= zexy; 
= zexy; 
= exy
Mathematics
Solve the formula for the specified variable.A = 
h(b1 + b2) for b1
A. b1 = 
B. b1 = 
C. b1 = 
D. b1 = 
Mathematics
Factor the sum or difference of two cubes.343x3 + 729
A. (7x + 9)(49x2 - 63x + 81) B. (7x + 9)(49x2 + 63x + 81) C. (7x - 9)(49x2 + 63x + 81) D. (343x - 9)(x2 + 63x + 81)
Mathematics