Question:
Objective Questions (MCQ)
In the equation $a x^{2}+b x+c=0$, it is given that $D=\left(b^{2}-4 a c\right)>0$. Then, the roots of the equation are
(a) real and equal (b) real and unequal
(c) imaginary (d) none of these
Solution:
We know that when discriminant, $D>0$, the roots of the given quadratic equation are real and unequal.
Hence, the correct answer is option B.
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