Use integration by parts to establish a reduction formula for the integral.

A.  = -  +  
B.  = -  +  
C.  = - axn e-ax + na 
D.  =   -  


Answer: A

Mathematics

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Multiply and simplify.( + 1)( - 1)

A. 4 - 2
B. 4 
C. 4 + 2
D. 6 

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Solve by completing the square.z2 + 4z - 3 = 0

A. -2 ± 2
B. -2 ± 
C. -1 ± 
D. 2 + 

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Find an equation of the secant line containing (1, f(1)) and (2, f(2)).f(x) = x3 - x

A. y = 6x - 6 B. y = 6x + 6 C. y = -6x + 6 D. y = -6x - 6

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Find the domain of the rational function.h(x) = 

A. {x|x ? -3, x ? 3, x ? -6} B. all real numbers C. {x|x ? 0, x ? 9} D. {x|x ? -3, x ? 3}

Mathematics