Solve 2x2 + x + 1 = 0.
Posted: Wed Jul 13, 2022 8:10 pm
a) \(\frac{-1±i\sqrt{7}}{4}\)
b) \(\frac{1±i\sqrt{7}}{4}\)
c) \(\frac{1±\sqrt{7}}{4}\)
d) \(\frac{-1±\sqrt{7}}{4}\)
b) \(\frac{1±i\sqrt{7}}{4}\)
c) \(\frac{1±\sqrt{7}}{4}\)
d) \(\frac{-1±\sqrt{7}}{4}\)