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Number of diagonals in a polygon of m si...

Number of diagonals in a polygon of m sides is :

A

`1/(2!)m(m-5)`

B

`1/(2!)m(m-1)`

C

`1/(2!)m(m-3)`

D

`1/(2!)m(m-2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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