Why isn’t the integral of $x^2$ from $0$ to $5$ equal to the integral of $\sqrt x$ from $0$ to $25$?
138074
Integrating the inverse of a function.
86794
Integrate $\int \frac{25 - x^2}{x^4} \operatorname d\!x$
113334
If $x+\frac{1}{x}=\frac{1+\sqrt{5}}{2}$ then $x^{2000}+\frac{1}{x^{2000}}= $?
88815
Integral of $\int \frac{dx}{\sqrt{x^2 -9}}$
67533
A question on integration
49203
Evaluating $\int \sqrt{1 + t^2} dt$?
24589
Integral of $1/(x^2-1)^2$
5679
Why is $2\pi i \neq 0?$
115976
$\mathbf{Q}[\sqrt 5+\sqrt[3] 2]=\mathbf{Q}[\sqrt 5,\sqrt[3] 2]$?
88757
Calculus 2 integral $\int {\frac{2}{x\sqrt{x+1}}}\, dx$
16264
Why does $x$ divided by zero not equal $x$?
89956
Is the integral $\int_0^\infty \frac{\mathrm{d} x}{(1+x^2)(1+x^a)}$ equal for all $a \neq 0$?
73099
Why is $d(x^2)= 2xdx$?
62840
Seemingly Simple Integral $\int_0^1\frac{x^2\ln x}{\sqrt{1-x^2}}dx$.
31529
Integrating $\int^2_{-2}\frac{x^2}{1+5^x}$
88640
Is $\sqrt x$ continuous at $0$? Because it is not defined to the left of $0$
134551
Comparison between integrals