求 26和38题

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求26和38题求26和38题求26和38题26.lim[1/t-1/(t^2+t)]=lim[1/(t+1)]=138.看不清楚

求 26和38题
求 26和38题

求 26和38题
26.
lim[1/t-1/(t^2+t)]
=lim[1/(t+1)]
=1
38.
看不清楚