Least Common Denominator (Rational Expressions)

Michigan State University - Diagnostic Exam

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4.14

Which of the following is equivalent to $3- -2- 1-- a - a2 + a3$ ?

a) $2 ----------- a - a2 + a3$ b) $2 --- a3$ c) $3a2 - 2a + 1 ------------- a3$

d) $3a2 - 2a + 1$ e) $2 3a----2a-+-1- a - a2 + a3$

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July 16, 2008