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The power P delivered by the voltage source shown in Fig. P2.1 is given as P =1R+IVW. For the particular vlues of R, V

The power P delivered by the voltage source shown in Fig. P2.1 is given as P =1R+IVW. For the particular vlues of R, V and P, the current I satisfies the quadratic equation 210=107 +401. (a) Write the quadratic equation for I in the standard form al + bl+c=0. (b) Solve the quadratic equation for I by each of the following methods: factoring, completing the square, and the quadratic formula. Vs R=352 ww 6 V Figure P2.1: Resistive circuit for problem P2-1.

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