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Reciprocal of -2 and 3/7

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Answer to a math question Reciprocal of -2 and 3/7

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1. Invert -2 to obtain its reciprocal:

-2 \to -\frac{1}{2}

2. Invert 3/7 to obtain its reciprocal:

\frac{3}{7} \to \frac{7}{3}

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(3b)⋅(5b^2)⋅(6b^3)