Charge 𝑞1=+𝑞q1=+q is located at position (0,𝑑).(0,d). Charge 𝑞2=−2𝑞1q2=−2⁢q1 is

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Charge 𝑞1=+𝑞q1=+q is located at
position (0,𝑑).(0,d). Charge 𝑞2=−2𝑞1q2=−2⁢q1 is
located at
position (𝑑,0).(d,0). Charge 𝑞3=3𝑞1q3=3⁢q1 is
located at position (2𝑑,2𝑑).(2⁢d,2⁢d).
Determine the net electric field 𝐸⃗ netE→net at
the origin in terms of the given quantities and physical constants,
including the permittivity of free space 𝜀0.ε0. Express
the electric field using 𝐢𝐣i⁢j unit vector notation.
Enter precise fractions and roots rather than entering their
approximate numerical values.