Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 11
- 22
B. 11
- 2
C. 
D. 11
+ 22
Answer: A
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By calculating an appropriate number of terms, determine if the series converges or diverges. If it converges, find the limit L and the smallest integer N such that 
for 
otherwise indicate divergence.an = 12021/n
A. L = 1, N = 1212 B. L = 0, N = 1212 C. L = 1, N = 713 D. diverges
Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = - 
i; C is the region defined by the polar coordinate inequalities 2 ? r ? 4 and 
A. - 
B. 
C. 
D. 0
Estimate the value of the quantity.A piece of tissue paper is picked up in gusty wind. The table shows the velocity of the paper at 2 second intervals. Estimate the distance the paper travelled using 
A. 113 ft B. 203 ft C. 206 ft D. 226 ft
Solve the system of equations. x - y + 8z = -1076x+ z = 17 3y - 5z = 89
A. (-5, -8, 13) B. (5, 8, -13) C. (5, -8, -13) D. (-5, 8, 13)