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There are m points on a straight line AB...

There are m points on a straight line AB & n points on the line AC none of them being the point A. Tri- angles are formed with these points as vertices, when
A is excluded (ii) A is included.
The ratio of number of triangles in the two cases is

A

`(m+n-2)/(m+n)`

B

`(m+n-2)/(2)`

C

`(m+n-2)/(m+n+2)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
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