plz answer.........
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4√28÷3√7 = (28^1/4) × (7^ -1/3)
LCM OF 4 AND 3 = 12
= 28^3/12 × 7^-4/12
= 12√28^3. × 12√7^-4
= 12√(28×28×28×1/7×1/7×1/7×1/7)
= 12√( 64/7)
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