JEE Math Practice Question
The coefficients $$a, b, c$$ in the quadratic equation $$a x^2+b x+c=0$$ are chosen from the set $$\{1,2,3,4,5,6,7,8\}$$. The probability of this equation having repeated roots is :
- A.$$\frac{1}{128}$$
- B.$$\frac{1}{64}$$
- C.$$\frac{3}{256}$$
- D.$$\frac{3}{128}$$
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