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A positive point charge Q1=2.8×10−5C is fixed at the origin of coordinates, and a negative point...

A positive point charge Q1=2.8×10−5C is fixed at the origin of coordinates, and a negative point charge Q2=−4.1×10−6C is fixed to the x axis at x=+2.0m. Find the location of the place(s) along the xx axis where the electric field due to these two charges is zero.

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