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If 2a-3b=3 and ab=2,find the value of 8acube -27bcube |
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Answer» 2a-3b=10 ( CUBING both sides ) 8a3 -27b3 - 2 (2a×3b) =1000 8a3-27b3 =1000+72 ••••1072 is the answer |
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