Write the expression in standard form.(9 + 4i) - (-5 + i)
A. 4 + 5i
B. 14 + 3i
C. -14 - 3i
D. 14 - 3i
Answer: B
Mathematics
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Find the divergence of the field F.F = -8xz3i + 2yj + 2z4k
A. 2 B. -8z3 + 2 C. -16z3 D. -16z3 + 2
Mathematics
Find the indicated root and express the answer in standard form.Square roots of 4 + 4i
A. 
+ i
, - 
- i
B. 
- i
, - 
+ i
C. - 
- i
, 
- i
D. 
+ 
i, - 
- 
i
Mathematics
Answer the question.Consider the numbers 19, 
, -20, 0, 
, 
. Which are integers but not natural numbers?
A. -20, 0, 
B. -20, 0, 
C. 19, 
D. -20
Mathematics
Provide an appropriate response.What is wrong with the shown first step in the solution process for 
What will be an ideal response?
Mathematics