TS ICET 26 May 2023 Shift 1 Solved Paper

The slope of the line passing through the point which divides the line segment joining the points $\left(3,-8\right)$ and $\left(-5,8\right)$ in the ratio $3:1$ internally and the point that divides the line segment joining the points $\left(-2,7\right)$ and $\left(6,-1\right)$ in the ratio $1:3$ externally is