Find the values of x for which the geometric series converges.
A. -? < x < ?
B. diverges for all x
C. 
D. 
Answer: A
Mathematics
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Use trigonometric identities to solve each equation in the interval [0, 2?]sin2 x - cos2 x = 0
A. 
B. 
C. 
D. 
Mathematics
Graph the equation by plotting points. Use values of ? that are multiples of 30°.r = 2 cos ?
A. 
B. 
C. 
D. 
Mathematics
Evaluate the sum. Round to two decimal places, if necessary.
A. 1.82 B. -5.32 C. 419.65 D. -2.32
Mathematics
Find the LCD for the given rational expressions.
, 
A. x(x + 9)(x - 6) B. (x + 9)2 C. x(x + 3)(x - 6) D. x(x + 9)2
Mathematics