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Question

Evaluate the following limits,
where [.] represents greatest integer function and {.} represents fractional part function
(i) limxπ2[sinx]
(ii) limx2{x2}
(iii) limxπsng[tanx]
(iv) limx1sin1(lnx)

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Solution

(1.)LHL=limh0(f(π2)h)=limh0(sin[(π2)h)]=limh0[cosh]=0RHL=limh0(f(π2)+h)=limh0[sin(π2)+h)]=limh0[cosh]=0LHL=RHL=0


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