Determine the electric dipole moment o...

Determine the electric dipole moment of the syatem of three charges , placed on the verices of an equilateral triangle , as shown in the fogure :

`sqrt(3)ql(hatj-hati)/(sqrt(2))`

`(ql) (hat i+hatj)/(sqrt(2))`

`2qlhatj`

`-sqrt(3) ql hatj`

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