JEE Main2019Math
Q.
If one real root of the quadratic equation 81x2 + kx + 256 = 0 is cube of the other root, then a value of k is
- A
–300
- B
144
- C
–81
- D
100
Solution

If one real root of the quadratic equation 81x2 + kx + 256 = 0 is cube of the other root, then a value of k is
–300
144
–81
100
