1.

Sum to n terms of the series 1(1+x)(1+2x) + 1(1+2x)(1+3x) + 1(1+3x)(1+4x) + ..............is

Answer»

Sum to n terms of the series 1(1+x)(1+2x) + 1(1+2x)(1+3x) + 1(1+3x)(1+4x) + ..............is




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