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30 Nov 2011 09:58:14 IST
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what is--- (x-1)(x-2)(x-3)(x-4).......(x-n) where x,n belongs to N
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1 Dec 2011 20:48:26 IST
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x=5 n=10
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1 Dec 2011 20:53:37 IST
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(x-5)(x+6)=26 what is x
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1 Dec 2011 21:33:40 IST
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xPn ???
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9 Dec 2011 21:04:29 IST
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the whole term becomes 0 because we get (x-x) in between.
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9 Dec 2011 21:14:46 IST
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@pranava.. what if n
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9 Dec 2011 21:17:00 IST
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* what if n>x
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9 Dec 2011 21:17:55 IST
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sorry n
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9 Dec 2011 21:18:33 IST
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n less than x
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30 Dec 2011 22:43:22 IST
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answer is zero.....
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30 Mar 2012 19:08:12 IST
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may i know how zero ???
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30 Mar 2012 19:15:15 IST
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(x-n)!/X!
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30 Mar 2012 19:27:56 IST
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answer cant be zerrrrrrrrrrro since x is variable
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15 Apr 2012 16:54:31 IST
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the answer is zero,,,,,, because ,since the question is ...........(x-1)(x-2)(x-3).........(x-n) and also they have given x belongs to N now let x be 1 then the first term itself becomes zero ,, so the product of anything is zero
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