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There are n( gt2) points in each of two ...

There are `n( gt2)` points in each of two parallel lines Every point on one line is joined to every point on the other line by a line segment drawn within the lines . The number of points (between the lines) in which these segments intersect is :

A

`""^(2n)C_2-2.""^nC_2+2`

B

`""^(2n)C_2-2.""^nC_2`

C

`""^nC_2xx ""^nC_2`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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