The hole for a support needs to be 6 feet deep. It is currently 2 feet 5 inches deep. How much deeper must the hole be? Use pen
2 answers:
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We can rule out the negative length.
Answer: b=4, h=18
One way to capture the domain of integration is with the set
Then we can write the double integral as the iterated integral
Compute the integral with respect to .
Compute the remaining integral.
We could also swap the order of integration variables by writing
and
and this would have led to the same result.
