The combined electrical ressitance R of R1 and R2, connected parallel, is given by;
1/R=1/R1+1/R2
R1 and R2 are increasing with the rates 1 and 3/2 ohm per second, respectively.
At what rate is R changing if R1=50 ohms and R2=75 ohms?

The combined electrical ressitance R of R1 and R2 connected parallel is given by 1R1R11R2 R1 and R2 are increasing with the rates 1 and 32 ohm per second respec class=


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