Question

Find all the zeroes of the polynomial 2x4-9x3+5x2+3x-1 if two zeroes are 2+root 3and 2-root3

Answer 1

Answer:

8-27+10-3

8-17-3

8-20

-12= 2+√3

-12-2=√3

-14=√3

-14/3²=0

-14/9=0

=14/9