Use integration by parts to establish a reduction formula for the integral.
A. 
= - 
sinn-1 x cos x + 
B. 
= - 
sinn-1 x cos x - 
C. 
= sinn-1 x cos x - (n - 1) 
D. 
= sinn-1 x cos x + (n - 1) 
Answer: A
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Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(0, 5)} B. {(-1, 5)} C. no solution; ? D. {(0, 4)}
Provide an appropriate response. Hair spray with a net weight of 7 oz per can is packaged in a can, which weighs 2 oz, and 12 cans are packaged per box. If the box weighs about 5 oz, what is the weight (in pounds) of the total box and contents?
A. 5.69 pounds B. 10.5 pounds C. 91 pounds D. 7.06 pounds
Write the answer to the problem as an algebraic expression.The product of two numbers is 28. One of the numbers is t. What is the other number.
A. 28t
B. 
C. 
D. 28 - t
Solve by completing the square.x2 = - 3x + 9
A. -3 ± 3
B. 
C. 
D. 