Please help me with this equation

wss

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Apr 11, 2013
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how i can proof this equation
png.latex


from left to right in Properties of the factorial??
 
how i can proof this equation
png.latex


from left to right in Properties of the factorial??

If you are trying to prove this identity - it is not true.

Suppose x = 1 and n =1 ...... what do you get...
 
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