Find the inverse of a 2×2 matrix – by Jim Thompson.
A detailed step by step solution is shown.
Enter your matrix and click solve. Solver provided by algebra.com.
See the spreadsheets by Mike Hadden (scroll down to A / AS Pure Files ) MatrixDeterimant and MatrixInverse, these enable you to check answers and see working out as well.
A slideshow on matrices is available in the WolframAlpha series.
Use WolframAlpha for many matrix operations. Note the syntax in the eigenvectors example below – rows of the matrix are entered as follows: