Consider the three charges q_(1)=q_(2)=5q and q_(3)=-q. Which of the following configurations will result in an electric flux of 4(q)/(\epsi_(0)) through the enclosed surface? Select all that apply.
a) q₁ at the center, q₂ and q₃ on opposite corners
b) q₁ and q₂ at opposite corners, q₃ at the center
c) q₁ and q₃ at opposite corners, q₂ at the center
d) q₂ at the center, q₁ and q₃ at opposite corners
