Use the order of operations agreement to simplify the given expression. +  ? 

A.
B.
C.
D.


Answer: D

Mathematics

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Find the length of the curve.The spiral r = 6?, 0 ? ? ? ?

A. 16((?2 + 1)3/2 - 4)
B. 6
C. 3(? + ln (? + ))
D. 36

Mathematics

Integrate the function.

A. -  + C
B.  + C
C.  + C
D. -  + C

Mathematics

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

A.  = n xn-1 e- x2 + 2n 
B.  = - xn e- x2 +  
C.  = - xn-1 e- x2 +  
D.  = - 2xn-1 e- x2 - 2(n - 1) 

Mathematics

Find the least common multiple of the denominators of the fractions.

A. 525 B. 33,075 C. 2205 D. 124,425

Mathematics