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How can I write the following equation with its explanation in latex ?

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marked as duplicate by Werner, egreg, lockstep, David Carlisle, cmhughes Mar 23 '13 at 20:57

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  • 2
    Did you see How to write a perfect equation parameters description? – egreg Mar 23 '13 at 20:21
  • We'll close the question as duplicate; this is not a judgment on your question, but only a way to keep the site as informative as possible. We're waiting for other contributions from you. – egreg Mar 23 '13 at 20:42

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