1.

Cofficient of x^4 in 1+(1+x+x^2)/(1!) +((1+x+x^2)^2)/(2!) +((1+x+x^2)^3)/(3!) + ....oo =

Answer»

`25/24 E`
`24/25e`
`16/25e`
`25/16e`

ANSWER :A


Discussion

No Comment Found

Related InterviewSolutions