SSC Government Jobs Exams Numerical Ability Algebra

Is the polynomial f (x) = x^2
+ x + 1 intersect
the x-axis ? if not then the imaginary roots
will be :

Read Solution (Total 2)

since d=b^2-4ac=-3
11 years agoHelpfull: Yes(0) No(0)

its root will be (-0.5+0.866j)and (-0.5-0.866j)
10 years agoHelpfull: Yes(0) No(0)

SSC Other Question

What are the roots of the quadratic
polynomial f (x) = x^2
– 5x + 6 -
(A) –2, –3 (B) 2,3
(C) 5,6 (D) None of these What is the common roots of the quadratic
equations x^2
– x –2 = 0 & x^2
– 5x + 6 = 0
(A) –2 (B) –1
(C) 0 (D) 2