1.

Solve 2x2 + x + 1 = 0.

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


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