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1. |
The roots of the equation \[{{x}^{4}}-2{{x}^{3}}+x=380\] are [UPSEAT 2004] |
A. | \[5,-4,\frac{1\pm 5\sqrt{-3}}{2}\] |
B. | \[-5,4,-\frac{1\pm 5\sqrt{-}3}{2}\] |
C. | \[5,4,\frac{-1\pm 5\sqrt{-}3}{2}\] |
D. | \[-5,-4,\frac{1\pm 5\sqrt{-}3}{2}\] |
Answer» B. \[-5,4,-\frac{1\pm 5\sqrt{-}3}{2}\] | |