Cancel the Exclamation Marks

If x ! = y ! x! = y! , then x = y x = y .

This problem is a part of the set - 1's & 2's & QuEsTiOnS
True Lack of information None of these choices Not always

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2 solutions

Sakanksha Deo
Mar 21, 2015

0 ! = 1 ! = 1 0! = 1! = 1

But 0 1 0 \neq 1

Assumed the same

Sai Ram - 5 years, 11 months ago
Faisal Basha
Mar 21, 2015

always nx(n-1)......

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