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If z1,z2,z3,z4,z5 are roots of the equation z5+z4+z3+z2+z+1=0, then the value of ∣∣∣∣5∑i=1z4i∣∣∣∣ is |
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Answer» If z1,z2,z3,z4,z5 are roots of the equation z5+z4+z3+z2+z+1=0, then the value of ∣∣ ∣∣5∑i=1z4i∣∣ ∣∣ is |
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