document.write( "Question 313460: 1/Rt = 1/R1 + 1/R2 + 1/R3
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Algebra.Com's Answer #224104 by CharlesG2(834) $\"\"$ $\"About$

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1/Rt = 1/R1 + 1/R2 + 1/R3
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\n" ); document.write( "\n" ); document.write( " $\"+1%2FRt+-+1%2FR1+-+1%2FR3+=+1%2FR2+\"$
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\n" ); document.write( " $\"+Rt+%2A+R1+%2A+R3+=+R2+%2A+%28%28R1+%2A+R3%29+-+%28Rt+%2A+R3%29+-+%28Rt+%2A+R1%29%29+\"$
\n" ); document.write( " $\"+%28Rt+%2A+R1+%2A+R3%29%2F%28%28R1+%2A+R3%29+-+%28Rt+%2A+R3%29+-+%28Rt+%2A+R1%29%29+=+R2+\"$ \r
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