CG Vyapam Patwari 2017 Paper

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Question : 50 of 150

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If a ∶ b = 2 ∶ 3, then (a⁶ - b⁶) ∶ (a⁴ - b⁴) (a² + ab + b²) =?

7 ∶ 13
13 ∶ 7
1 ∶ 2
none of these

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