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MATH / If a star b = dfrac{left(dfrac{1}{b} - dfrac{1}{a}right)}{(a - b)}, express 3 star 11 as a common fraction.

Problem

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problem

If $a \star b = \dfrac{\left(\dfrac{1}{b} - \dfrac{1}{a}\right)}{(a - b)}$ , express $3 \star 11$ as a common fraction.

Plain-text mathematical notation (without MathML)

If $a \star b = \dfrac{\left(\dfrac{1}{b} - \dfrac{1}{a}\right)}{(a - b)}$, express $3 \star 11$ as a common fraction.

Original LaTeX notation

If $a \star b = \dfrac{\left(\dfrac{1}{b} - \dfrac{1}{a}\right)}{(a - b)}$, express $3 \star 11$ as a common fraction.

level

Level 3

type

Algebra

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task_id: 5a69ed11-4782-5e1e-8110-726da7cf13e7
task_key: algebra--test--5a69ed11-4782-5e1e-8110-726da7cf13e7
task_revision_id: 2
config / split: algebra / test

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