document.write( "Question 1209392: In class, we derived that
\n" ); document.write( "\frac{1}{n(n + 1)} = \frac{1}{n} - \frac{1}{n + 1}.\r
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\n" ); document.write( "\n" ); document.write( "\frac{5x}{(x - 1)(x^2 + 2)(x + 7)^3)} = \frac{A}{x - 1} + \frac{Bx + C}{x^2 + 2} + \frac{D}{x + 7} + \frac{E}{(x + 7)^2} + \frac{F}{(x + 7)^3}
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Algebra.Com's Answer #848747 by Edwin McCravy(20059)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Since there are no blanks, perhaps you meant to find values of A thru F that\r\n" );
document.write( "would make this equation an identity.\r\n" );
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document.write( "\"%285x%5E%22%22%29%2F%28%28x+-+1%29%28x%5E2+%2B+2%29%28x+%2B+7%29%5E3%29\"\"%22%22=%22%22\"\r\n" );
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document.write( "This is a very complicated partial fraction problem.\r\n" );
document.write( "Go to this site: \r\n" );
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document.write( "https://www.symbolab.com/solver/partial-fractions-calculator\r\n" );
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document.write( "input this \"%285x%5E%22%22%29%2F%28%28x+-+1%29%28x%5E2+%2B+2%29%28x+%2B+7%29%5E3%29\"\r\n" );
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document.write( "and you'll get:\r\n" );
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document.write( "If your teacher expects you to do this by hand, then your teacher should\r\n" );
document.write( "be fired.  This is NOT teaching mathematics!\r\n" );
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document.write( "This is extremely more complicated than the very simple problem of breaking\r\n" );
document.write( " \r\n" );
document.write( "\"1%2F%28n%28n+%2B+1%29%29\" \r\n" );
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document.write( "into partial fractions and getting:\r\n" );
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document.write( "\"1%2Fn+-+1%2F%28n+%2B+1%29\"\r\n" );
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document.write( "Edwin
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