Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.3 - 15 + 75 - 375 + ... + (-1)n-1 3 ? 5n-1 + ...
A. 
; series diverges
B. 
; 
C. 
; 
D. 
; series diverges
Answer: A
Mathematics
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A. 10t B. t C. 10t D. 1
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Solve the problem.Determine the number of points of intersection of the given curves. r1 = 7 cos ?, r2 = 8 cos ? + 1
A. 3 B. 0 C. 1 D. 2
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List all natural number factors of the given number.72
A. 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72 B. 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 18, 24, 36, 72 C. 1, 2, 3, 4, 6, 9, 12, 14, 18, 24, 36, 72 D. 1, 2, 3, 4, 6, 8, 9, 12, 24, 36, 72
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Graph the equation.(y + 2)2 = -5(x - 1)
A. 
B. 
C. 
D. 
Mathematics