A charge q is at the origin a charge -2q is at x 590 m on

Question

Solve the each part of given question:

Question: A charge +q is at the origin. A charge -2q is at x = 5.90 m on the +x axis.

Part A: For what finite value of x is the electric field zero?

m

Part B: For what finite values of x is the electric potential zero?

Smallest value of x:

m

Largest value of x:

m

Please show how you obtained the answer for above question.