document.write( "Question 70394: Solve for c
\n" ); document.write( "1/a + 1/b = 1/c solve for c
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Algebra.Com's Answer #50319 by checkley75(3666)\"\" \"About 
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1/A+1/B=1/C
\n" ); document.write( "(A+B)AB=1/C NOW CROSS MULTIPLY WE GET
\n" ); document.write( "AB=C(A+B) NOW DIVIDE BOTH SIDES BY (A+B)
\n" ); document.write( "C=AB/(A+B)
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