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There are 2n points in a plane in which ...

There are 2n points in a plane in which m are collinear. Number of quadrilaterals formed by joining these lines: a. is equal to `.^(2n)C_(4)-.^(m)C_(4)` b. is greater than `.^(2n)C_(4)_.^(m)C_(4)` c. is less than `.^(2n)C_(4)-.^(m)C_(4)` d. None of these

A

is equal to `.^(2n)C_(4)-.^(m)C_(4)`

B

is greater than `.^(2n)C_(4)_.^(m)C_(4)`

C

is less than `.^(2n)C_(4)-.^(m)C_(4)`

D

None of these

Text Solution

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The correct Answer is:
C
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