Question

Find the nature of the roots of equation (x^2+1)^2 -x^2= 0

Answer 1

Answer:

(x^2+1)^2=×^4+2×^2+1-×^2

×^4+×^2+1

Nature of the roots formula:

b^2-4ac=(1)^2-4 (1)(1)

1-4=-3.Therfore the roots are imaginary