Use integration by parts to establish a reduction formula for the integral.
, n ? 1
A. 
= secn-2 x tan x - (n - 2) 
B. 
= secn-2 x tan x + (n - 2) 
C. 
= 
secn-2 x tan x + 
D. 
= 
secn x tan x - 
Answer: C
Mathematics
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Simplify.
A. 
B. 
C. 
D. None of these
Mathematics
Use vertices and asymptotes to graph the hyperbola. Find the equations of the asymptotes.16y2 - 9x2 = 144 
A. Asymptotes: y = ± 
x
B. Asymptotes: y = ± 
x
C. Asymptotes: y = ± 
x
D. Asymptotes: y = ± 
x
Mathematics
Verify that the values of the variables listed are solutions of the system of equations.
x = -4, y = 5
A. solution B. not a solution
Mathematics
Use the formula for the general term (the nth term) of an arithmetic sequence to find the indicated term of the sequence with the given first term, a1, and common difference, d.Find a8 when a1 = -8, d = 4.
A. -36 B. 20 C. -40 D. 24
Mathematics