Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
ISC
MATHEMATICS · Single correct · ISC · Mathematics · Calculus · Calculus
Problem
Compute
∫
0
∞
(
x
2
+
2
x
)
e
−
x
d
x
\displaystyle\int_0^{\infty}(x^2+2x)e^{-x}\,dx
∫
0
∞
(
x
2
+
2
x
)
e
−
x
d
x
. (a)
3
3
3
(b) The integral diverges (c)
4
4
4
(d)
5
5
5
Related theory
Integration by Parts
Integration Techniques
Improper Integrals
Standard algebraic integrals
Browse the problem library