It's 44cm
because the 13 on the bottom is the same length at the top even though they are at different lengths of each other. Same goes for the 9 on both sides.
So 9+9+13+13=44
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Make it more general, and see what happens when you try to reduce the exponent of
x in the following integral:
Now, integrate it by parts:
where
So after one iteration, the exponent of
x was decreased by one unit.
The question is:
after how many iterations will the exponent of x equals zero? After exactly
k iterations, of course.
Therefore, for
k = 7, you have to apply integration by parts
7 times, to get rid of that polynomial factor. Then, there will be one last integral left to evaluate:
But this one doesn't need to be evaluated by parts. You can directly write the result:
Shortly, for the integral
you have to apply integration by parts
7 times (not
8 times).
I hope this helps. =)
Tags: <em>indefinite integral integration by parts reduction formula product polynomial exponential differential integral calculus</em>
Answer:
20 ounces
Step-by-step explanation:
Answer:
27
Step-by-step explanation:
Answer:
Are paid to the goverment
Step-by-step explanation:
Goverment takes more