SOLUTION: Hello! I need help on this problem: 1/R= 1/R (subscript of 1) + 1/R (subscript of 2) solve for R Thanks in advance! Kevin

Question 212936: Hello! I need help on this problem:
1/R= 1/R (subscript of 1) + 1/R (subscript of 2)
solve for R
Thanks in advance!
Kevin
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Solve for R:
To get the two fractions on the left over a common denominator, multiply the first by and the second by
Simplify the right side.
Now invert both sides.

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