1.

Solve 2x2+ 2x+2= 0.

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


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