Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Identify a suitable substitution that will simplify the integral
∫
x
3
1
+
x
4
d
x
\displaystyle \int \frac{x^3}{1 + x^4}\,dx
∫
1
+
x
4
x
3
d
x
. Write only the substitution.
Browse the problem library