Use differentiation to determine whether the integral formula is correct.
dx = -6 cot 
+ C
A. Yes
B. No
Answer: B
Mathematics
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Simplify.
A. - 
B. - 
C. 
D. 
Mathematics
Use I = Prt for simple interest to find the indicated quantity.P = $13,500; t = 4 months; I = $517.50. Find r.
A. 11.7% B. 7.7% C. 3.8% D. 11.5%
Mathematics
Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 
Mathematics
Perform the indicated operation and write your answer in standard form.(9 - 
) - (3 - 
)
A. 6 + 3i B. 6 + 13i C. 6 - 3i D. 12 + 3i
Mathematics