Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.5 + 
+ 
+ ... + 
+ ...
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Answer: A
Mathematics
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Find the exact value of the expression.
A. - 
B. -2
C. - 
D. -
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Graph the parabola.16y = -x2
A. 
B. 
C. 
D. 
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Graph the equation using a graphing utility. Use a graphing utility to approximate the intercepts rounded to two decimal places, if necessary. Use the TABLE feature to help establish the viewing window.y = 5x2 - 13
A. (0, -13), (2.60, 0), (-2.60, 0) B. (0, -13), (1.61, 0), (-1.61, 0) C. (0, 2.60), (0, -2.60), (-13, 0) D. (0, 1.61), (0, -1.61), (-13, 0)
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Write the equation of the ellipse that has its center at the origin with focus at (0, 1) and vertex at (0, 11). ?
A. 
B. 
C. 
D. 
E. none of these
Mathematics