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QJEEM19Ma23be: JEE Main 2019 Mathematics - Class 11 JEEM19Ma23be Solution: The number of all possible positive integral values of …
The number of all possible positive integral values of for which the roots of the quadratic equation, 6x2 11x + = 0 are rational numbers is :
Multiple Choice Options
- A 3
- B 2
- C 4
- D 5
Step-by-Step Verified Solution
For rational D must be perfect square
D = 121 24
for 121 24 to be perfect square a must be 3, 4, 5
So, ans = 3
D = 121 24
for 121 24 to be perfect square a must be 3, 4, 5
So, ans = 3