WBJEE · Maths · Quadratic Equation
If \(a, b, c\) are distinct odd natural numbers, then the number of rational roots of the equation \(a x^2+b x+c=0\)
- A must be 0
- B must be 1
- C must be 2
- D cannot be determined from the given data
Answer & Solution
Correct Answer
(A) must be 0
Step-by-step Solution
Detailed explanation
Hint: \(D=b^2-4 a c \geq 0\) for rational roots \(D\) is perfect square
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