If $\overline{a},\overline{b},\overline{c}$ are non coplanar vectors and $\lambda$ is a real number, then the vectors $\overline{a}+\text{2}\overline{b}+3\overline{c},\lambda \overline{b}+4\overline{c}$ and $\left(2\lambda -1\right)\overline{c}$ are non-coplanar for