Matrices

matrix-inversion 2x2Find 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.
Matrices 

Use WolframAlpha for many matrix operations. Note the syntax in the eigenvectors example below – rows of the matrix are entered as follows:

WolframAlpha-eigenvectors

WolframAlpha-eigenvectors

Calculators & Tools – Menu.

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