Write the expression in the standard form a + bi.i9
A. 1
B. -i
C. i
D. -1
Answer: C
Mathematics
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Set up the iterated integral for evaluating 
over the given region D. DD is the solid right cylinder whose base is the region in the xy-plane that lies inside the cardioid 
and outside the circle 
and whose top lies in the plane 
.
A. 
B. 
C. 
D. 
Mathematics
The nth term of a sequence is given. Find the first 4 terms.an = (n - 8)(n - 6)(n - 2)
A. -35, 0, 15, 16 B. -96, 0, 15, 16 C. -135, 0, 15, 16 D. -45, 0, 15, 16
Mathematics
Solve the equation.
= -9
A. -15 B. 45 C. 1 D. -14
Mathematics
Find the curvature of the space curve.r(t) = (10 t sin t + 10 cos t)i + 10j + (10t cos t - 10 sin t)k
A. ? = 10t
B. ? = - 
C. ? = 
D. ? = 
Mathematics