document.write( "Question 1076094: If $\"+%28a-b%29%5E2=+289+\"$ and $\"+%28a%2Bb%29%5E2=+169+\"$ , then what is the value of |4ab| ? \n" ); document.write( "

Algebra.Com's Answer #690770 by ikleyn(52786) $\"\"$ $\"About$

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document.write( " = 289 = ,     (1)\r\n" );
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document.write( " = 169 = .     (2)\r\n" );
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document.write( "Now subtract (1) from (2. You will get\r\n" );
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document.write( "4ab = 169-289 = -120.\r\n" );
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document.write( "Hence, |4ab| = 120.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Answer. |4ab| = 120.\r
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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