The statement is for all real numbers a and b.
(Apply commutative property of multiplication: )
if
The above statement is true.
The statement is true.
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for all real numbers a and b.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=892b934ca2ca83530b5c149b5cd3027f.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d68fdde5861df8ef2909065ad876ce96.png\")
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![\"\"](\"/userfiles/image/steps_images/solution.JPG\")