document.write( "Question 176529: How do I multiply: 2EA E=[1, 2] a=[3, 0, 2, -1] \n" ); document.write( "

Algebra.Com's Answer #131627 by Mathtut(3670) $\"\"$ $\"About$

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2EA: I am going to assume the A is a 2x2 matrix because in order for E which is a 1x2 matrix, to be multiplied by another matrix, the other matrix rows must be 2
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\n" ); document.write( "2 $\"%28matrix%281%2C2%2C1%2C2%29%29\"$ = $\"%28matrix%281%2C2%2C2%2C4%29%29\"$ $\"%28matrix%282%2C2%2C3%2C0%2C2%2C-1%29%29\"$ = $\"%28matrix%281%2C2%2C-2%2C-4%29%29\"$ \n" ); document.write( "

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