Multiple Choice

A power grid analyst is using a load-balancing formula represented by the following algebraic expression:

4u13u1+u13u\frac{4u - 1}{3u - 1} + \frac{u}{1 - 3u}

The analyst simplifies the formula by recognizing that the denominators are opposites and converting the second fraction to share a common denominator of 3u13u - 1. After combining the numerators and grouping the uu-terms, the analyst arrives at an intermediate fraction where the numerator and denominator are identical, just before the final reduction to 1. Which expression represents this shared numerator and denominator?

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Updated 2026-04-21

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