Find the LCD for the rational expression., 

A. 2x - 1
B. (x + 1)(2x - 1)
C. (x - 1)(2x + 1)
D. x + 1

Answer: B

Mathematics

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A. 3 B. 9 C. does not exist D. ±3

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A. 24 B. -24 C. -10 D. 10

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