# How to find inverse of matrix

Use the inverse key to find the inverse matrix. First, reopen the Matrix function and use the Names button to select the matrix label that you

## Inverse Of A 3 By 3 Matrix

After you have quit by clicking [2ND] and [MODE], go back into the matrix menu by clicking [2ND] and [ x − 1] (or just the matrix button if you have a TI83). This time, select A from the NAMES

Figure out math question

Math can be tough, but with a little practice, anyone can master it!

Free time to spend with your friends

There are many ways to improve your writing skills.

Obtain Help with Homework

Looking for a little help with your homework? Check out our solutions for all your homework help needs!

Work on the task that is attractive to you

With so much on their plate, it's no wonder students need help with their homework.

GET HELP INSTANTLY

Homework Help Solutions

Determine math questions

## 3 Ways to Find the Inverse of a 3x3 Matrix

A matrix A is invertible (inverse of A exists) only when det A ≠ 0. If A and A -1 are the inverses of each other, then AA -1 = A -1 A = I. The inverse of a 3x3 identity matrix is itself. i.e., I -1 = I. The

Provide multiple ways

If you're feeling overwhelmed, there's help available 24/7. Just reach out and someone will be there to support you.

Clarify mathematic equation

I love spending time with my family and friends.

Clarify mathematic equations

To solve a mathematical problem, you need to first understand what the problem is asking. Once you understand the question, you can then use your knowledge of mathematics to solve it.

Get math assistance online