$\text{ Let }{\mathrm{L}}_1\text{ be a tangent to the parabola }{\mathrm{y}}^2=4(\mathrm{x}+1)\text{ and }{\mathrm{L}}_2\text{ be a tangent to the parabola }$

${\mathrm{y}}^2=8(\mathrm{x}+2)\text{ such that }{\mathrm{L}}_1\text{ and }{\mathrm{L}}_2\text{ intersect at right angles. Then }{\mathrm{L}}_1\text{ and }{\mathrm{L}}_2\text{ meet on }$the straight line