There are `n`straight lines in a plane in which no two are parallel andno three pass through the same point. Their points of intersection arejoined. Show that the number of fresh lines thus introduced is`1/8n(n-1)(n-2)(n-3)`A. `(n(n-1)(n-1))/(8)`B. `(n(n-1)(n-2)(n-3))/(6)`C. `(n(n-1)(n-2)(n-3))/(8)`D. none of these

There are `n`straight lines in a plane in which no two are parallel an

1.	There are `n`straight lines in a plane in which no two are parallel andno three pass through the same point. Their points of intersection arejoined. Show that the number of fresh lines thus introduced is`1/8n(n-1)(n-2)(n-3)`A. `(n(n-1)(n-1))/(8)`B. `(n(n-1)(n-2)(n-3))/(6)`C. `(n(n-1)(n-2)(n-3))/(8)`D. none of these
Answer» Correct Answer - C

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