Let A be a point on the line

$\vec{r}=\left(1-3\mu \right)\hat{i}+\left(\mu -1\right)\hat{j}+\left(2+5\mu \right)\hat{k}$ and B(3, 2, 6) be a point in the space. Then the value of μ for which the vector $\overrightarrow{\text{AB}}$  is parallel to the plane $x-4y+3z=1$ is :