1.

If x + 1 = x2 and x > 0, then 2x4 is

A. 6 + 4 \(\sqrt{5}\)
B. 3 + 5 \(\sqrt{5}\)
C. 5 + 3 \(\sqrt{5}\)
D. 7 + 3 \(\sqrt{5}\)
Answer» E.


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