Two charge Q1 and Q2 are placed in xy pl...

Two charge `Q_1` and `Q_2` are placed in `xy` plane at a distance `x_1` and `x_2` from origin a shown in figure. if electric field at `O` is same for both charge then find ratio `Q_1` and `Q_2`.

`x_1/x_2`

`x_2/x_1`

`x_1^2/x_2^2`

`x_1^3/x_2^3`

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