Question

The number of integer's for which the number √(x^2+x+1 is rational is​

Answer 1

Answer: none

Step-by-step explanation: just do b^2-4*a*c and see if its greater or equal to 0. if it is less than 0, then roots are complex.

roots are complex fr this. if uk complex numbers then u get the foll-

-1+root(3)i/2 and -1-root(3)i/2. these r also known as cube roots of unity, if u r preparing for jee, ull have to learn all this!

cheers.