Question 309792
The expression a^-2 b^3
divided by
1^4 b^-2 is equivalent to 
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(a^(-2)*b^(3))/[1^(4)*b^(-2)]
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= (b^3/a^(2))/(1*b^2)
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= (b^(5))/(a^2)
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Cheers,
Stan H.
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