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Solve the equation x^4 -2x^3 + 4x^2...

Solve the equation `x^4 -2x^3 + 4x^2 + 6x -21=0`
the sum of two of roots being zero.

Text Solution

Verified by Experts

The correct Answer is:
`+- sqrt(3) ,1+- sqrt(6) i`
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