algebra 2

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two resistors are connected in parallel. their resistances are 8 ohms and 17ohms. what is the resistance of the combonation.

  • algebra 2 -

    1/R = 1/R1 + 1/R2 = (R1+R2)/R1R2
    so R = R1 R2 / (R1+R2)

    = 8*17 /(8+17)

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