Question

if a and b are the roots of the polynomials f(x)=x^2+x+1, then 1/a+1/b=​

Answer 1

Answer:

-1

Step-by-step explanation:

if a and b are the roots of the polynomials f(x)=x^2+x+1

then a + b = -1

ab = 1

so 1/a+1/b = (a+b)/ab

= -1/1

= -1