C = \(\frac{1.3.5.......2011.2013}{1008.1009......2013.2014}\)
C = \(\frac{1.2.3.4.5......2013.2014}{\left(2.4.6....2012.2014\right).\left(1008.1009.....2014\right)}\)
C = \(\frac{1.2.3.......2013.2014}{2^{1007}.\left(1.2.3.4.5.....1007\right).1008.1009....2014}\)
C = \(\frac{1.2.3.4.5.......2014}{2^{1007}.1.2.3.4.5.......2014}\)
C = \(\frac{1}{2^{1007}}\)