SOLUTION: Science and medicine. The combined resistance of two resistors {{{R1}}} and {{{R2}}} in a parallel circuit is given by the formula {{{Rr= 1/(1/R1+1/R2)}}} Simplify the formula.

Question 95617: Science and medicine. The combined resistance of two resistors and in a parallel circuit is given by the formula
Simplify the formula.
Could some one please help me I am completely lost on this one.
Found 2 solutions by stanbon, edjones:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Rr= 1/(1/R1+1/R2)
Rr = 1/[(R1+R2)/(R1R2)]
Rr = [R1/R2]/[R1+R2]
===============
Cheers,
Stan H.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!

EdJones
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