Question

There are m points on a straight line AB and n points on another line AC, none of them being the point A. Triangle are formed from these points as vertices when

1) Aexcluded

2) A in included. the ratio of numbers of triangles in the two cases is :


A) m+n-2/m+n


b) m+n-2/m+n-1


c)m+n-2/m+n+2


d)m(n-1)/(m+1)(n+1)


( iit level question so not going to be that easy )

Answer 1

Answer:

Step-by-step explanation:

Birla Institute of Technology offers a number of courses to the candidates, every year, and to give admission in the same, the university conducts an entrance test which is known as BITSAT 2019.

https://nextincareer.com/bitsat-2019/