1.

If 1,2,3 and 4 are the roots of the eqaution x^(4) + ax^(3) + b x^(2) + cx + d = 0,thena + 2b + c =

Answer»

3AB + `a^(3) - c`
3ab - `a^(3) + c `
`3ab + a^(3) + c`
`3ab - a^(3) - 3c`

ANSWER :4


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