1.

. For the equation ax2 bx c O which of h fol(A) If (b2 4ac) O the roots are imaginary(B) If (b2-latement incorrect ?4ac) = 0 the roots are real and(C) If (b2 4ac) > 0 and (b2- 4ac) is a perf uarthe roots e rational aunequal(D) (b2-ac) < 0 the rnols are irrational.

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