(Q). Consider n points in a plane no three of which are collinear and the ratio of number of hexagon & octagon that can be formed from these n points is 7:69 then find the value of n.
Solution:-
(Q). Consider n points in a plane no three of which are collinear and the ratio of number of hexagon & octagon that can be formed from these n points is 7:69 then find the value of n.
Solution:-