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Eight different letters of an alphab...

Eight different letters of an alphabet are given . Words of four letters from these are formed the number of such words with at least one letter repeated is

A

`((8)/(4))-""^(8)P_(4)`

B

`8^(4)+((8)/(4))`

C

`8^(4)-""^(8)P_(4)`

D

`8^(4)-((8)/(4))`

Text Solution

Verified by Experts

The correct Answer is:
C
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