1.

If two roots of biquadratic equation x4+12x−5=0 are -1 + √2 and 1+√2i . Find the sum of the square of all the roots. __

Answer»

If two roots of biquadratic equation x4+12x5=0 are -1 + 2 and 1+2i . Find the sum of the square of all the roots.


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