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In a n sided regular polygon the probabi...

In a n sided regular polygon the probability that the two diagonal chosen at random will intersect inside the polygon is .

A

`(2.^(n)C_(2))/(.^(n)C_(2-n)C_(2))`

B

`(2(n-1)(n-2))/(n(n-5))`

C

`(.^(n)C_(4))/(.^(n)C_(2-n)C_(2))`

D

`(2n(n-5))/((n-1)(n-2))`.

Text Solution

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The correct Answer is:
B, C
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