![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The matrices are ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=09de44372710e450647d4cea00026fcd.png\")
.
If two matrices have the same dimensions ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9b9c7cdc1dfccf217e598039b56c8ed4.png\")
, they can be subtracted each other. You subtract matrices by subtracting the corresponding elements of the matrices.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6ffa2bc4cdfc55c31b14be28b5b1e3fc.png\")
The product of two different signs is negative and the products of two same signs is positive.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ec3b70ffafff911f9c0d8849d8a5e89e.png\")
\
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=075f3de78fbb7b8a93f12010944e4b55.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The option D is correct answer.