f(x)=(1+x i)/(x+i) হলে, limx→∞ f(x)=?limx→∞ f(x)=?
A. i
B. xi
C. x/i
D. i/x
সঠিক উত্তরঃ
A.
i
Explanation: limx→∞ f(x)=limx→∞1+xix+i=limx→∞1x+i1+ix=i
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