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) |
−81 |
(b) |
100 |
(c) |
−300 |
(d) |
144 |
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) |
−81 |
(b) |
100 |
(c) |
−300 |
(d) |
144 |