Write the rational expression in lowest terms.

A. -1
B.
C. 1
D. Already in lowest terms


Answer: B

Mathematics

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

A.  = cosn-1 x sin x + 
B.  = cosn-1 x sin x - (n - 1) 
C.  = - cosn-1 x sin x + (n - 1) 
D.  = cosn-1 x sin x - 

Mathematics

Solve for t.et/820 = k

A. ln 820k
B. 820 ln k
C.
D. 820ek

Mathematics

Find the mean for the given frequency distribution.

A. 27.9 B. 6.8 C. 23.3 D. 24.6

Mathematics

Perform the indicated operations.(62 - 95)(45 - 92)

A. 21,509 B. -1551 C. 1551 D. 11,530

Mathematics