The integral of $e^{-x^2}$
38751
What is the antiderivative of $e^{-x^2}$
12537
How to Integrate this function $\int(1-x^2)^ndx$
8934
How do I solve this improper integral: $\int_{-\infty}^\infty e^{-x^2-x}dx$?
115375
Indefinite integral of $e^{x^n}$
80319
Integrate: $\int (x^2+a^2)^{-3/2} \cdot dx$
7042
Defined integral of $x^{\alpha} (1-x)^{\beta-1}$
70830
How to evaluate $\int_{0}^{\infty}\exp(-x^2-1/x^2)dx$?
21616
Calculate integral $\int_{-1}^{1} (1-x^2)^n dx $
54831
Integral of $\sqrt{1-x^2}$ using integration by parts
44737
$ \int_{-\infty}^{\infty} x^4 e^{-ax^2} dx$
51991
What is the integral of $e^{\cos x}$
137625
Need a hint to evaluate the indefinite integral $\int\frac{e^x(2-x^2)}{(1-x)\sqrt{1-x^2}}dx$?
75562
How to integrate $\int x^2 \sin^2(x)dx$
50735
The integral $\int_0^8 \sqrt{x^4+4x^2}\,dx$
518
What is the integral of $\int e^x\,\sin x\,\,dx$?
59532
Evaluation of this integral.
31529
Integrating $\int^2_{-2}\frac{x^2}{1+5^x}$