1.

If n≠3k and 1,ω,ω2​ are the cube roots of unity, then Δ=∣∣∣∣∣1ωnω2nω2n1ωnωnω2n1∣∣∣∣∣ has the value

Answer»

If n3k and 1,ω,ω2​ are the cube roots of unity, then Δ=

1ωnω2nω2n1ωnωnω2n1

has the value



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