MCQ
$\mathop {Limit}\limits_{h\,\, \to \,\,0} \frac{{\int\limits_a^{x\, + \,h} {\,\ell {n^2}t\,\,\,dt} \,\, - \,\,\int\limits_a^x {\,\ell {n^2}t\,\,\,dt} }}{h}$ =
- A$0$
- ✓$ln^2 x$
- C$\frac{{2\,\ell n\,x}}{x}$
- Ddoes not exist
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$(A)$ $a=2, L=\frac{e^{4 \pi}-1}{e^\pi-1}$ $(B)$ $a=2, L=\frac{e^{4 \pi}+1}{e^\pi+1}$
$(C)$ $a=4, L=\frac{e^{4 \pi}-1}{e^\pi-1}$ $(D)$ $a=4, L=\frac{e^{4 \pi}+1}{e^\pi+1}$