LEGAL?

Nobody will arrest you for doing that however - I think you have a small "writo" (as opposed to typo) there.

(n+1)!n! = (n+1)n!n! = n+1\displaystyle \frac{(n+1)!}{n!} \ = \ \frac{(n+1)\cdot n!}{n!} \ = \ n+1
 
Subhotosh Khan said:
Nobody will arrest you for doing that however - I think you have a small "writo" (as opposed to typo) there.

(n+1)!n! = (n+1)n!n! = n+1\displaystyle \frac{(n+1)!}{n!} \ = \ \frac{(n+1)\cdot n!}{n!} \ = \ n+1



thanx for the heads up Subhotosh Khan
 
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