Mathematics · Group Theory

Let ∗ be a binary operation defined on the set of positive rational numbers Q+ by the rule a ∗ b = ab3, for all a, b ∈ Q+. Then the inverse of 4 ∗ 6 is:

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Let ∗ be a binary operation defined on the set of positive rational numbers Q+ by the rule a ∗ b = ab3, for all a, b ∈ Q+. Then the inverse of 4 ∗ 6 is:

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Let ∗ be a binary operation defined on the set of positive rational numbers Q+ by the rule a ∗ b = ab3, for all a, b ∈ Q+. Then the inverse of 4 ∗ 6 is:

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