Question

Obtain all zeros x4-7x3+13x2-5x-2 if two zeros are 2+root 5 and 2-root 5

Answer 1

Answer:

p(x)= x4 -7x3 + 13x2 - 5x -2

then all for zeroes of the polynomial are 2+√5; 2-√5; 2 and 1