Question

My = lo
-2 is a root of
the
The value of K four which
quadratic polyn
nomiaal ku²+u-67​

Answer 1

Answer:

IF- 2 is a root of equation ku^2+u-67 then it will satisfy the equation.

$k {u}^{2} + u - 67$

$k {( - 2)}^{2} + ( - 2) - 67 = 0$

$4k - 2 - 67 = 0$

$4k - 69 = 0$

$4k = 69$

$k = \frac{69}{4}$