164
One zero of a quadratic polynomial is twice the other. If the sum of
zeroes is (-6), find the polynomial.
zeroes is (-6), find the polynomial.
Show SolutionHide Solution↓
Ans.
(A) Let the zeroes be $\alpha, 2\alpha$
$\alpha + 2\alpha = -6$ gives $\alpha = -2$ (1/2 Mark)
Polynomial is $x^2 + 6x + 8$ (1 Mark)
(A) Let the zeroes be $\alpha, 2\alpha$
$\alpha + 2\alpha = -6$ gives $\alpha = -2$ (1/2 Mark)
Polynomial is $x^2 + 6x + 8$ (1 Mark)