The average value is the integral of a function over an interval divided by the length of this interval. The length of interval is here, to find the integral start from the indefinite integral.
Make the substitution then
and the integral is
So the definite integral is
And the average is
The average value is the integral of a function over an interval divided by the length of this interval. The length of interval is here, to find the integral start from the indefinite integral.
Make the substitution then
and the integral is
So the definite integral is
And the average is
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