1.

Solve – x2 + x – 2 = 0.

A. \(\frac{-1±i\sqrt{7}}{2}\)
B. \(\frac{1±i\sqrt{7}}{2}\)
C. \(\frac{1±\sqrt{7}}{2}\)
D. \(\frac{-1±\sqrt{7}}{2}\)
Answer» C. \(\frac{1±\sqrt{7}}{2}\)


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