The lens combination as shown in the figure, consists of two lenses, L 1 and L 2, of the focal lengths +10 cm and -10 cm, respectively. The position…

The lens combination as shown in the figure, consists of two lenses, $\displaystyle L_1$ and $\displaystyle L_2$, of the focal lengths +$\displaystyle 10$ cm and -$\displaystyle 10$ cm , respectively. The position of the image formed is :