Find the values of k ε R subject to the following condition :

The sum of the roots of $3x^2 + kx - 2 = 0$ is 6.

** Option:**

**A.**18

**B.**- 18

**C.**12

**D.**4

**Answer: B . - 18**

** Justification:**

Here, the sum of the roots is $α + β = (-k)/3 $

.`. $(-k)/3 = 6$.

.`. $k = - 18.$