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If ω is an imaginary cube root of unity, then the value of (2−ω)(2−ω2)+2(3−ω)(3−ω2)+...+(n−1)(n−ω)(n−ω2) is |
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Answer» If ω is an imaginary cube root of unity, then the value of (2−ω)(2−ω2)+2(3−ω)(3−ω2)+...+(n−1)(n−ω)(n−ω2) is |
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