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What is the electric field vector at the point where charge q₂ is located due to charges q₁ and q₃? (Hint: q₂ has no effect on the electric field on the point where it is located.)
a. -8.640x10⁶ N/C ? - 1.152x10⁷ N/C j
b. -1.728x10⁷ N/C ? - 2.304x10⁷ N/C j
c. -8.364x10⁷ N/C ? - 2.396x10⁷ N/C j
d. -1.296x10⁷ N/C ? - 1.728x10⁷ N/C j
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