Correct Answer: Option B

Explanation

3x² - 7x + R. Computing the square, we have
x² - \(\frac{7}{3}\) = -\(\frac{R}{3}\)

(\(\frac{x}{1} - \frac{7}{6}\))² = -\(\frac{R}{3}\) + \(\frac{49}{36}\)

\(\frac{-R}{3}\) + \(\frac{49}{36}\) = 0

R = \(\frac{49}{36}\) x \(\frac{3}{1}\)

= \(\frac{49}{12}\)

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