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Question Number 127459 by liberty last updated on 30/Dec/20
limx→∞(1+1x+12+1x)x2=?
Answered by john_santu last updated on 30/Dec/20
1+1x+12+1x=1+1x+x2x+1=1+12x2+2x2x+1⇒limx→∞(1+12x2+2x2x+1)x2=elimx→∞(1+12x2+2x2x+1−1).x2=elimx→∞(2x+12x2+2x).x2=e∞=∞
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