Use integration by parts to establish a reduction formula for the integral.
A. 
= 
- 
B. 
= x(ln ax) n - n 
C. 
= ax(ln ax) n - an 
D. 
= 
+ 
Answer: B
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Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 9
C. 58x
D. 
Find the first 4 terms of the recursively defined sequence.a1 = 3, an+1 = 
A. 3, 
, 
, 
, 
B. 3, 
, 
, 
C. 3, 
, 3, 
D. 
, 9, 
, 27
Find the length of the arc on the circle of radius r meters intercepted by a central angle ?. Round your answer to three decimal places.r = 10, ? = 75°
A. 11.781 m B. 13.09 m C. 10.472 m D. 14.399 m
Determine whether the following is an expression or an equation. If it is an expression, simplify if possible and evaluate it for x = 2. If it is an equation, solve it.
+ 
A. Expression; x + 6; undefined B. Expression; x - 6; undefined C. Equation; 3 D. Equation; 12