document.write( "Question 117532: if P = \"%28matrix%282%2C3%2C2%2C-1%2C4%2C-1%2C3%2C0%29%29\" and
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Algebra.Com's Answer #86092 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
if P = \"%28matrix%282%2C3%2C2%2C-1%2C4%2C-1%2C3%2C0%29%29\" and
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document.write( "PQ = \"%28matrix%282%2C3%2C2%2C-1%2C4%2C-1%2C3%2C0%29%29\"·\"%28matrix%283%2C2%2C3%2C2%2C1%2C1%2C-2%2C0%29%29\"\r\n" );
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document.write( "Since the first matrix is 2×3 and the second matrix is 3×2, \r\n" );
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document.write( "the fact that the \"inner\" dimensions are both the same, 3, the\r\n" );
document.write( "matrices can be multiplied, and the result will be a matrix\r\n" );
document.write( "whose dimensions are the \"outer\" dimensions of those, 2×2.\r\n" );
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document.write( "So the product is\r\n" );
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document.write( "\"%28matrix%282%2C3%2C2%2C-1%2C4%2C-1%2C3%2C0%29%29\"·\"%28matrix%283%2C2%2C3%2C2%2C1%2C1%2C-2%2C0%29%29\" =  = \"%28matrix%282%2C2%2C-3%2C3%2C0%2C1%29%29\"\r\n" );
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document.write( "Edwin
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