1.

Find the roots of equation 2x^4+x^3-11x^2+x+2=0

Answer»

`(-8-sqrt5)/2,(-8+sqrt5)/2,1/2,2`
`(-3-sqrt5)/2,(-3+sqrt5)/2,-2,2`
`(-3-sqrt7)/2,(-3+sqrt7)/2,1/2,2`
`(-3-sqrt5)/2,(-3+sqrt5)/2,1/2,2`

ANSWER :D


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