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B
f (0 - 0) = 1
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C
f is continuous at x = 0
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D
None of these
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Solution
The correct option is Cf is continuous at x = 0 limx→0+f(x)=x2sin1x,but−1≤sin1x≤1 and x→0 Therefore, limx→0+f(x)=0=limx→0−f(x)=f(0) Hence f(x)is continuous at x = 0