1 / | | 3 | log (x) + log(x) + 1 | -------------------- dx | x | / 0
Integral((log(x)^3 + log(x) + 1)/x, (x, 0, 1))
There are multiple ways to do this integral.
Let .
Then let and substitute :
Integrate term-by-term:
The integral of is when :
The integral of is when :
The integral of a constant is the constant times the variable of integration:
The result is:
Now substitute back in:
Rewrite the integrand:
Integrate term-by-term:
Let .
Then let and substitute :
The integral of a constant times a function is the constant times the integral of the function:
Let .
Then let and substitute :
The integral of a constant times a function is the constant times the integral of the function:
The integral of is when :
So, the result is:
Now substitute back in:
So, the result is:
Now substitute back in:
Let .
Then let and substitute :
The integral of a constant times a function is the constant times the integral of the function:
Let .
Then let and substitute :
The integral of a constant times a function is the constant times the integral of the function:
The integral of is when :
So, the result is:
Now substitute back in:
So, the result is:
Now substitute back in:
The integral of is .
The result is:
Now simplify:
Add the constant of integration:
The answer is:
/ | | 3 2 4 | log (x) + log(x) + 1 log (x) log (x) | -------------------- dx = C + ------- + ------- + log(x) | x 2 4 | /
Use the examples entering the upper and lower limits of integration.