1.

The sum of infinite terms of the following series 1+45+752+1053+....... will be[MP PET 1981; RPET 1997; Roorkee 1992; DCE 1996, 2000]

Answer» The sum of infinite terms of the following series 1+45+752+1053+....... will be

[MP PET 1981; RPET 1997; Roorkee 1992; DCE 1996, 2000]


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