SOLUTION: Find r if:
1/r=1/r1+1/r2
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Question 351557: Find r if:
1/r=1/r1+1/r2
Found 2 solutions by Fombitz, mananth:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Multiply both sides by , assuming ,,
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
1/r=1/r1+1/r2
LCM of RHS r1r2
1/r= (r1+r2)/r1r2
take reciprocal
r= r1r2/(r1+r2)
....
m.ananth@hotmail.ca
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