Question

(x square+1) square-x square =0 has
(a) four real roots
(c) no real roots
(b) two real roots
(d) one real root
​

Answer 1

Answer:

two real.roots is the answer

Answer 2

Answer:

(c) no real roots

Step-by-step explanation:

(x^2+1)^2-x^2=0

(x^2+1)^2=x^2

x^2+1=x or -x

according to discriminant, it has imaginary roots

so there are no real roots