Solve the problem.Find the sum of the series 
by expressing 
as a geometric series, differentiating both sides of the resulting equation with respect to x, multiplying both sides by x, differentiating again, and replacing x by 
.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
You might also like to view...
Rephrase the statement as a conditional proposition with the form "if p, then q."Attending practice is necessary for staying on the team.
A. If you don't stay on the team, then you must not attend practice. B. If you don't attend practice, then you must stay on the team. C. If you stay on the team, then you must attend practice. D. If you attend practice, then you must stay on the team.
Mathematics
Find the value of the rational expression for the given value. Make sure your fi nal answer is simplified completely.
; x = -9
A. 
B. 
C. 
D. 
Mathematics
The graph of a function f is given. Use the graph to answer the question.What is the y-intercept?
A. -30 B. 50 C. 35 D. -40
Mathematics
Find the sum.
A. 46 B. -54 C. 54 D. 2
Mathematics