Two straight infinitely long wires are fixed in space so that the current in the 2 left wire is 2 A and directéd out of the plane of the page and the current in the right wire is 3 A and directed into the plane of the page. In which region(s) is/are there a point on the x-axis, at which the magnetic field is equal to zero due to these currents carrying wires? Justify your answer.
Region I
Region I l Region Il l Region Ill
<━━━━━━━━━━━━━━━━━━━> +x
l 2A l 3A