SOLUTION: Science and medicine. The combined resistance of two resistors R1 and R2 in a parallel circuit is given by the formula Rt=1/1/R1+1/R2 Simplify the formula. Help please?

Question 76765: Science and medicine. The combined resistance of two resistors R1 and R2 in a
parallel circuit is given by the formula
Rt=1/1/R1+1/R2
Simplify the formula. Help please?
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Simplify:
Add the fractions...the common denominator is:, so...
Simplifying this:

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