1.

Let P(x)=a_0+a_1x+a_2x^2+...+a_nx^n.If|P(x)|le|e^(x-1)-1,|AAxge0, then the maximum value of |a_1+2a_2+3a_3+..+na_n|

Answer»

`1/n`
1
n
e

Answer :B


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