AIEEE Exam

Let f(x) = x^2
+ ax + b; a, b ∈ R. If
f(1) + f(2) + f(3) = 0, then the roots of the
equation f(x) = 0
(A) are imaginary
(B) are real and equal
(C) are from the set {1, 2, 3}
(D) are real and distinct

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AIEEE Other Question

If λ°H+ = 34.95 and λ°OH– = 19.90 Sm2 mol–1
and k of pure water is 3.5 × 10–3 Sm–1. The
degree of dissociation of water is
If D is the domain of the function sec–1(log x),
then D contains