pulkitaggi wrote:
susheelh wrote:
Hellopushpitkc ,
If x=11,\(n = \frac{11! – (11 – 2)!}{(11 – 1)}!\) =\(\frac{9!(110 – 1)}{10}!\) =\(\frac{9!(109)}{10}!\)
Is'nt\(10 = 5*2\) divisible by\(9!\) ? If yes then will not the whole fraction be be an integer and hence n is an integer? What am I missing here?![Image]()
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If x=11,\(n = \frac{11! – (11 – 2)!}{(11 – 1)}!\) =\(\frac{9!(110 – 1)}{10}!\) =\(\frac{9!(109)}{10}!\)
Is'nt\(10 = 5*2\) divisible by\(9!\) ? If yes then will not the whole fraction be be an integer and hence n is an integer? What am I missing here?
pushpitkc wrote:
We have been given the expression\(n = \frac{x! – (x – 2)!}{(x – 1)}!\)
We have been asked how many positive
We have been asked how many positive
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