Question of the Day 22-05-2019

Question of the Day
GATE 2015   CE   Question No. 112

In Newton-Raphson iterative method, the initial guess value (xini) is considered as zero while finding the roots of the equation: f(x) = -2+6x-4x2+0.5x3. The correction, $\triangle$x, to be added to xini in the first iteration is_____.