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S=x+2x2+3x3+…+nxnS = x + 2 x^{2} +3x^{3} +\ldots + n x^{n}S=x+2x2+3x3+…+nxn
When x=2,n=2014 x=2, n=2014 x=2,n=2014, S=a+cad S = a + ca^{d}S=a+cad.
Find the value of d+ca\frac{d+c}{a}ad+c
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