Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. 2 ln 
- 
+ C
B. 4 ln 
+ 
+ C
C. 4 ln 
+ 
+ C
D. 4 ln 
- 
+ C
Answer: C
Mathematics
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Find the angle between the pair of vectors to the nearest tenth of a degree.7i - 5j, 2i - 7j
A. 114.4° B. 42.0° C. 38.5° D. 126.9°
Mathematics
Simplify the expression, leaving your answer with only positive exponents. Assume that all variables represent positive numbers.x-2/5 ? x3/5
A. x1/5 B. x5/6 C. x-1/5 D. x6/5
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.
p2 + 3p - 27
A. 
(p + 6)(p - 18)
B. 4(p + 6)(p - 18)
C. 
(p - 6)(p + 18)
D. Prime
Mathematics
Graph.y = 2
A. 
B. 
C. 
D. 
Mathematics