document.write( "Question 51315: If 1/R=1/r1+1/r2; find r2 \n" ); document.write( "
Algebra.Com's Answer #34249 by Nate(3500)\"\" \"About 
You can put this solution on YOUR website!
1/R = 1/r1 + 1/r2
\n" ); document.write( "1/R - 1/r1 = 1/r2
\n" ); document.write( "(1/R - 1/r1)^-1 = r2
\n" ); document.write( "I think you can futher simplify.
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