Solve the problem.For what value of r does the infinite series 1 + 5r + 3r2 + 5r3 + r4 + 5r5 + 3r6 + 5r7 + r8 + ... converge?
A. |r| < 4
B. |r| < 1
C. |r| < 
D. |r| < 
Answer: B
Mathematics
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A. 
tan6 x + C
B. 
tan4 x + C
C. 4 sec2 x tan4 x + C
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Find the product of the sum and difference of two terms.(7b2 + 3)(7b2 - 3)
A. 14b4 - 9 B. 49b4 + 9 C. 49b4 - 9 D. 14b4 + 9
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Find the indicated term of the geometric sequence.a1 = 
, r = 
, n = 5
A. a5 = 
B. a5 = 
C. a5 = 
D. a5 = 
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Write the rational expression in lowest terms.
A. m - d B. -1 C. m + d D. Already in lowest terms
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