How to type a matrix in Wolfram Alpha

Learn how to type a matrix in the website Wolfram Alpha using the following format: {{Row Values},{New Row Values}}

[@General-Max]

Thank You ❤🎉❤

[@ihx7]

is it possible to do it with variable where A stands for a matrix and B stands for a matrix and I want (A+B)^2 ?

[@nfntyeiht]

Thanks!

[@Eukaliptous120120]

useful