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| a+bw+cw^2/a+bw^2+cw | |
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Answer» ONG>ANSWER: Step-by-step EXPLANATION: (a+bω+cω2)(a+bω2+cω)=(a2+b2+c2−ab−bc−ac) ∴L.H.S.=(a+b+c)(a+bω+cω2)(a+bω2+cω) =(a+b+c)(a2+b2+c2−ab−bc−ac) =a3+ab2+ac2+ba2+b3+bc2+ca2+cb2+c3−a2b−abc−a2c−ab2−b2c−abc−abc−bc2−ac2 =a3+b3+c3−3abc=R.H.S. |
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