04.31: Two very long current-carrying wires a
6ie-l3gg o*xk6 j(empre shown end on in the figure below. The w
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the left has a 4A current going into of the plane of the paper and the wire on the right has a 3A
current coming out of the paper. Disregarding the case of x → ±∞, in which region(s) could the
magnetic field from these two wires add to zero on the x-axis.