If P1 is (1,2, - 3) and P2 is (-4 ,0,5), find
The distance P1P2
The vector equation of the line P1P2

Question 2
Two point charges -8 μC and 6 μC are located at (2,2-,3) and (0,1,-2) respectively. Find the potential at (1,0,2).

Question 3
Point charges 3 mC and 5 mC are located at (1, 1, 5) and (2, -2, 5), respectively.
Calculate the electric force on a 5 μC charge located at (1, 2, 1) and the electric field intensity at that point