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 Mike Hadden’s spreadsheets, MatrixDeterimant and MatrixInverse (scroll down to A / AS Pure Files ). These enable you to check answers and see methods as well.
A slideshow on matrices is available in the WolframAlpha series.
Matrices
Use WolframAlpha for many matrix operations. Note the syntax in the eigenvectors example below – rows of the matrix are entered as follows:
