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Question

If f(x)={x2 sin1x,whenx00whenx=0, then

A
f (0 + 0) = 1
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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 C f is continuous at x = 0
limx0+f(x)=x2 sin1x,but1sin1x1 and x0
Therefore, limx0+f(x)=0=limx0f(x)=f(0)
Hence f(x)is continuous at x = 0

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