1.

If 0 < x

A. \(\frac {-4 - \sqrt 7} 3\)
B. \(\frac {4 + \sqrt 7} 3\)
C. \(\frac {1 + \sqrt 7} 4\)
D. \(\frac {1 - \sqrt 7} 4\)
Answer» B. \(\frac {4 + \sqrt 7} 3\)


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