Question 146836
Simplify the following fractions by putting them in lowest terms or by performing the indicated operations. 
a-ab over a2 divided by a-1 over a cubed
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[(a(1-a))/a^2] / [(a-1)/a^3]

Invert the denominator and change to multiplication:

= [(a(1-a))/a^2] *[a^3/(a-1)]

Cance any factors that are common to a numerator and a denominator to get:

= [1/1] * [a^2/1]

= a^2
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Cheers,
Stan H.