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                                    Show that the middle term in the expansion of (1+x)2n is 1.3.5⋯(2n−1)n!.2n.Xn,where nϵN. | 
                            
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Answer»  Show that the middle term in the expansion of (1+x)2n is 1.3.5⋯(2n−1)n!.2n.Xn,where nϵN.  | 
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