The equation `x^2 + 2|x| + 1 =0` has two real roots

Write the truth value of the statement: Equation x ^(2) + x -1 =0 has two real roots

If the equation x^4 -λx^2 +9=0 has only two real roots, then the set of values of λ is

.Show that the equation x^(2n)-1=0 has only two real roots.

If the equation x^(2)-kx+1=0 has no real roots then

Sum of all real values of p such that the equation x^(2)-7x+p=0 ,has two real roots whose difference is 1 is

If the equation x^(2)+5kx+16=0 has no real roots then

Show that there is no real number p for which the equation x^2 -3x + p =0 has two distinct roots in [0,1]

Is there any real value of ' a ' for which the equation x^2+2x+(a^2+1)=0 has real roots?

The real number k of for which the equation 2x^3+3x+k=0 has two distinct real roots in [0,1]