Another Polynomial Question (1 Viewer)

[Doctor Jolly]

Solve the equation 6x^4 - 29x^3 + 40x^2 - 7x - 12 = 0, the product of two of the roots being 2.

answer: 4/3, 3/2, 1 + √2

Solve the equation 8x^4 - 2x^3 - 27x^2 + 6x + 9 = 0, given that the sum of two of its roots is zero

answer: + √3, 3/4, -0.5

Source: Questions 17 & 20 of Chapter 27 3U Fitzpatrick (page 173)

Thanks.

 

[12o9]

Sorry about the handwriting XD.

 

[Doctor Jolly]

Thanks so much Anthony and your handwriting is not at all messy