![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The matrix is![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f99c9e38f3ce25bc498ca2f2399133ef.png\")
.
The first matrix has ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d9285d5a293c4e12028128b0fb74ba46.png\")
row and ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d19ea8dec317fbe5a411fa4b88fab0db.png\")
column, so dimensions of matrix are ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7a5bd1d4872404e12b284f6c91f40f1d.png\")
.
The second matrix has row and columns, so dimensions of matrix are ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=da0e7b778f89e18cbeda1e0ed2c1d3e0.png\")
.
The dimensions of matrix are not equal.
\The operation of addition is impossible.
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The operation of addition is impossible.