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Question :If are the three cube roots of unity , then = ? |
Answer» Solution:( 3 + 3ω² + 5ω)⁶ - ( 2+ 6ω² + 2ω)³ = ( 3+3ω² + 3ω+ 2ω)⁶ - (2+ 4ω² + 2ω² + 2ω)³ = (3 (1 + w² + w) + 2ω)⁶ - (2(1 +ω² + ω) + 4ω = (2ω⁶) - (4ω²)³ = 0 ( 1 + ω + ω²=0) ANSWER is 0 |
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