Solver Matematika

$x^2+2x-3=0$

$\int x^2\,dx$

$\sin(45^\circ)+\cos(45^\circ)$

$\det\begin{pmatrix}1&2\\3&4\end{pmatrix}$

$\frac{d}{dx}x^3$

$\text{mean}(70, 80, 90)$