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ppkjref
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Homework Statement
Evaluate the limit, if it exists. the limit of ((2/(3+h))^2-(4/9))/h as h approaches 0.
The Attempt at a Solution
So far I got,
[(2/(3+h))^2-(4/9)]/h
= [(2/(3+h))(2/(3+h))-(4/9)]/h
It seems nothing can cancel out when I find a common denominator.