Question

When two resistors are connected in parallel, the effective resistance is given by the expression
1/(1/R1+1/R2)
Simplify the complex fraction

Answer 1

\[\frac{1}{\frac{1}{R_{1}} + \frac{1}{R_{2}}}\]
Hint: Rewrite the denominator of this complex fraction.
You want to find a common denominator for the denominator of the fraction.