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October 22, 2014

Homework Help: calculus - please help!

Posted by archi on Monday, November 7, 2011 at 6:07pm.

If two resistors R1 and R2 are connected in parallel, then the total resistance R measured in ohms is given by

1/R=1/R1+1/R2

If the resistance of R1 and R2 are increasing at 330 and 660 ohms per second respectively, then the rate of increase of R when R1=5000 and R2=5000 is how many ohms per second?

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