\(\mathop {\lim }\limits_{x \to 1} \dfrac{{\sqrt {3x + 6} .\sqrt[3]{{x + 7}} - 6}}{{x - 1}}\)
A.\(-\dfrac{{11}}{8}\)
B.\(-\infty\)
C.\(+\infty\)
D.\(\dfrac{{11}}{8}\)

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