The electric potential at points in an xy plane is given by: $V = 2x^2 - 3y^2$ (in Volts)
In unit-vector notation, what is the electric field at the point (3 m, 2 m)?
a) (-12 V/m) i + (12 V/m) j
b) (12 V/m) i + (12 V/m) j
c) (-12 V/m) i - (12 V/m) j
d) (12 V/m) i - (12 V/m) j