Rationalization Method to Remove Indeterminate Form
limx→ 0+xx is...
Question
limx→0+xx is equal to
A
0
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B
1
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C
−1
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D
∞
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Solution
The correct option is B1 Let, L=limx→0+xx Taking log both side, logL=limx→0+xlogx=limx→0+logx1x,∞∞ form Thus using L-hospital rule, logL=limx→0+1x−1x2=limx→0+(−x)=0 ⇒L=1