Question

Consider the equation ax2 + bx + c = 0 . Find probability if a, b, c ∈ A where A = {1,2,3, ... , 8} that the equation has equal roots.

• A. $\frac{1}{512}$
• B. $\frac{1}{64}$
• C. $\frac{1}{8}$
• D. $\frac{1}{4}$

Answer 1

Answer: (B)

$\frac{1}{64}$

Answer 2

The Correct answer is option is (B) : $\frac{1}{64}$