Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.7 + 21 + 63 + ... + 7 ? 3n-1 + ...
A. 
; series diverges
B. 
; 
C. 
; 
D. 
; series diverges
Answer: A
Mathematics
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Convert the rectangular coordinates to polar coordinates, using radian measure for the angle.(-6, -6)
A. (6
, 
)
B. (6
, 
)
C. (-6
, 
)
D. (-6
, 
)
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
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Compute the product, expressing the answer in lowest terms.
× 
A. 
B. 
C. 
D. 
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Solve the system by the elimination method.3x + 2y = -5-9x - 6y = -15
A. {(-15, -10)} B. {(15, 10)} C. {(x, y)|3x + 2y = -5} D. ?
Mathematics