Solve the all parts of given problem:
Problem: Two point charges are on the y axis. A 4.00-µC charge is located at y = 1.25 cm, and a -2.02-µC charge is located at y = -1.80 cm.
Part A: Find the total electric potential at the origin.
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Part B: Find the total electric potential at the point whose coordinates are (1.50 cm, 0).
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Would you be able to include the how you do it steps and equation and how to follow it thank you!!