94. The total resistance R of three resistors in parallel is given by RR2R3 R R¡R2 + R,R3 + R,R3 Suppose that an 8-2 and a 12-N resistor are placed in parallel with a variable resistor of resistance x. a. Write R as a function of x. b. What value does R(x) approach as x→ 0? Write the value in decimal form.

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