If two resistors with resistances R1 and R2 are connected in parallel, as in the figure, then the total resistance R, measured in ohms ( Icirc copy ), is given by 1 R 1 R1 1 R2 If R1 and R2 are increasing at rates of 0 3 Icirc copy s and 0 2 Icirc copy s, respectively, how fast is R changing when R1 80 Icirc copy and R2 100 Icirc copy 2

Question: If two resistors with resistances R1 and R2 are connected in parallel, as in the figure, then the total resistance R, measured in ohms (Î©),

If two resistors with resistances R1 and R2 are connected in parallel, as in the figure, then the total resistance R, measured in ohms (Î©), is given by
1/R = 1/R1 + 1/R2
If R1 and R2 are increasing at rates of 0.3 Î©/s and 0.2 Î©/s, respectively, how fast is R changing when R1 = 80 Î© and R2 = 100 Î©?

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