1.If one real root of the quadratic equation 81x2−kx+256=081x^2 - kx + 256 = 081x2−kx+256=0 is cube of the other root, then a value of kkk is:a.−81-81−81b.100100100c.144144144d.−300-300−300Login to continueOnly logged in users canattempt or see the solution.