Perform the operation and write the result in the standard form.(-4 + 7i) + (7 + 7i)
A. -3 + 14i
B. 3 + 21i
C. 7 + 14i
D. 3 + 14i
Answer: D
Mathematics
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Solve the problem.Rewrite the integral 
in the order 
.
A. 
B. 
C. 
D. 
Mathematics
Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = 3xi + 2xj + 7zk; C: the cap cut from the upper hemisphere x2 + y2 + z2 = 16 
by the cylinder 
A. 4? B. 3? C. 8? D. 2?
Mathematics
Find the average value of the function over the region.f(r, ?, z) = r2 over the region bounded by the cylinder r = 3 between the planes z = -5 and z = 5
A. 2
B. 
C. 
?
D. 
Mathematics
Write the expression 
without using absolute value symbols.
?
A. 0 B. 100 C. -10 D. 10 E. 11
Mathematics