Question

The value of polynomial
$\ frac{x^8 - x^5 + x^2 - x + 1 }$ is

1. Positive for all real numbers
2. Negative for all real number
3. 0
4. depends on value of x​

Answer 1

-x^5+x^2-x+1

-x^3-x+1

-x4+1