To check if a function is symmetric about the origin, replace \(y\) with \(-y\) and \(x\) with \(-x\) and see if the equation of the...
Determinant of a 2x2Â matrix: \begin{equation*} \left|\begin{array}{ll}a & b \\ c & d\end{array}\right|=ad-bc \end{equation*} The minor...