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1. $3 x^{2} - k x + 4 = 0$

Answer: Option C

Explanation:

ধরি, একটি মূল a অপরটি 3a a + 3 a = \frac{k}{3} বা, a= \frac{k}{12} a.3a= \frac{4}{3} {বা, 3a}^{2} = \frac{4}{3} বা, \frac{3 k^{2}}{144} = \frac{4}{3} ∴k=±8

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