Mathway | Math Glossary

Mathway

Visit Mathway on the web

Start 7-day free trial on the app

Download free on Amazon

Download free in Windows Store

Take a photo of your math problem on the app

cofactor

Defined for an $n \times n$ matrix at an index $(i, j)$ in terms of the minor at that index as ${(- 1)}^{i + j} M_{i j}$ where the minor is $M_{i j}$ .

using Amazon.Auth.AccessControlPolicy;

Mathway requires javascript and a modern browser.

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$