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?

Algebra ->  Polynomials-and-rational-expressions -> 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?      Log On


   

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) About Me  (Show Source):
You can put this solution on YOUR website!
Simplify:
R%5Bt%5D+=+%281%2FR%5B1%5D%29%2B%281%2FR%5B2%5D%29 Add the fractions...the common denominator is:%28R%5B1%5D%29%2A%28R%5B2%5D%29, so...
Simplifying this:
R%5Bt%5D+=+%28R%5B1%5D%2BR%5B2%5D%29%2F%28R%5B1%5D%2AR%5B2%5D%29