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Three charges are placed as shown in fig...

Three charges are placed as shown in fig. the magnitude of `q_(1)` is `2.00mu C`, but its sign is unknown. Value of charge `q_(2)` is unknown and the value of the charge `q_(3)` is `+4.00muC`, and the net force on `q_(3)` is entirely in the negative x-direction

As per the condition given in the problem, the sign of `q_(1)` and `q_(2)` will be

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