A nationwide survey of 1000 adults found that 50% of respondents favored a plan to break up the 12 megabanks, which then contr
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Employ a standard trick used in proving the chain rule:
The limit of a product is the product of limits, i.e. we can write
The rightmost limit is an exercise in differentiating
For the leftmost limit, we make a substitution
which in turn is the derivative of
So we find that