Question

Obtain all zeroes of the polynomial p(x) = x4

– 3x3

– x

2

+ 9x – 6 , if two of its zeroes are (- ^3 and ^3)​

Answer 1

Answer:

Given polynomial is 9x

2

−5

By Quadratic formula →

x=

2a

−b±

b

2

−4ac

x=

18

±

180

x=

18

±6

5

x=

18

6

5

And x=

18

−6

5

x=

3

5

And x=

3

−

5