document.write( "Question 862615: I) let A=(6 9)and (1 2)compute A^2,AB,BA
\n" ); document.write( " ( -4 -6) (-1 0)\r
\n" ); document.write( "\n" ); document.write( "II)if A= (3 -1 4)and B=(1 0 -1).compute 5A,3A-2B
\n" ); document.write( " (2 0 6) (0 3 2) \n" ); document.write( "
Algebra.Com's Answer #519773 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
I)
\n" ); document.write( "\"A=%28matrix%282%2C2%2C6%2C9%2C-4%2C-6%29%29\"
\n" ); document.write( "\"B=%28matrix%282%2C2%2C1%2C2%2C-1%2C0%29%29\"
\n" ); document.write( "\"A%5E2=%28matrix%282%2C2%2C0%2C0%2C0%2C0%29%29\"
\n" ); document.write( "\"A%2AB=%28matrix%282%2C2%2C-3%2C12%2C2%2C-8%29%29\"
\n" ); document.write( "\"B%2AA=%28matrix%282%2C2%2C-2%2C-3%2C-6%2C-9%29%29\"\r
\n" ); document.write( "\n" ); document.write( "II)
\n" ); document.write( "\"A=%28matrix%282%2C3%2C3%2C-1%2C4%2C2%2C0%2C6%29%29\"
\n" ); document.write( "\"B=%28matrix%282%2C3%2C1%2C0%2C-1%2C0%2C3%2C2%29%29\"
\n" ); document.write( "\"5A=%28matrix%282%2C3%2C15%2C-5%2C20%2C10%2C0%2C30%29%29\"
\n" ); document.write( "\"3A=%28matrix%282%2C3%2C9%2C-3%2C12%2C6%2C0%2C18%29%29\"
\n" ); document.write( "\"2B=%28matrix%282%2C3%2C2%2C0%2C-2%2C0%2C6%2C4%29%29\"
\n" ); document.write( "\"3A-2B=%28matrix%282%2C3%2C7%2C-3%2C14%2C6%2C-6%2C14%29%29\" \n" ); document.write( "
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