1 / | | log(x - 7) | 5 | ----------- dx | x - 7 | / 0
Integral(5^log(x - 7)/(x - 7), (x, 0, 1))
There are multiple ways to do this integral.
Let .
Then let and substitute :
The integral of an exponential function is itself divided by the natural logarithm of the base.
Now substitute back in:
Let .
Then let and substitute :
Let .
Then let and substitute :
The integral of an exponential function is itself divided by the natural logarithm of the base.
Now substitute back in:
Now substitute back in:
Now simplify:
Add the constant of integration:
The answer is:
/ | | log(x - 7) log(x - 7) | 5 5 | ----------- dx = C + ----------- | x - 7 log(5) | /
pi*I + log(6) pi*I + log(7)
5 5
-------------- - --------------
log(5) log(5)
=
pi*I + log(6) pi*I + log(7)
5 5
-------------- - --------------
log(5) log(5)
5^(pi*i + log(6))/log(5) - 5^(pi*i + log(7))/log(5)
(-1.05449837299643 + 2.94529018117065j)
(-1.05449837299643 + 2.94529018117065j)
Use the examples entering the upper and lower limits of integration.