document.write( "Question 252901: Multiply ( 1/a^2 - 1/b^2 ) ( 2ab / a-b)
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Algebra.Com's Answer #185015 by drk(1908) $\"\"$ $\"About$

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Here is the original question:
\n" ); document.write( " $\"%28%281%2Fa%5E2%29+-+%281%2Fb%5E2%29+%29+%2A+%28+2ab+%2F+%28a-b%29%29\"$
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\n" ); document.write( "step 1 subtract the fractions in the first (_). We get
\n" ); document.write( " $\"%28b%5E2-a%5E2%29%2F%28a%5E2b%5E2%29\"$
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\n" ); document.write( "step 2: factor the numerator to (a+b)(a-b). We get
\n" ); document.write( " $\"%28+a%2Bb%29%28a-b%29%2Fa%5E2b%5E2\"$ * $\"%28+2ab+%2F+%28a-b%29%29\"$
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\n" ); document.write( "step 3: cancel like terms from any top and any bottom. Looks like this when done:
\n" ); document.write( " $\"%28a%2Bb%29%2Fab+%2A+2%2F1\"$ = 2(a+b)/ab \n" ); document.write( "

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