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1+(1+2)/(2!)+(1+2+2^2)/(3!)+(1+2+2^2+2^3...

`1+(1+2)/(2!)+(1+2+2^2)/(3!)+(1+2+2^2+2^3)/(4!)+....=`

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1 + (1+2)/(2!) + (1+2+3)/(3!) + (1+2+3+4)/(4!) + ......oo

1+ (1 + 2) / (2!) + (1 + 2 + 3) / (3!) + (1 + 2 + 3 + 4) / (4!) + ...... oo

If 1^(2)+(2^(2))/(2!)+(3^(2))/(3!)+(4^(2))/(4!)+....=ae,(1^(2).2)/(1!)+(2^(2).3)/(2!)+(3^(2).4)/(3!)+...=be,(1)/(2!)+(1+2)/(3!)+(1+2+3)/(4!)+...=ce then the descending order of a,b,c is

(1+(2^(2))/(2!)+(2^(4))/(3!)+(2^(6))/(4!)+....)/(1+(1)/(2!)+(2)/(3!)+(2^(2))/(4!)+....)=