2 replies to this topic

[tpphu]

:limits_{2}^{10} :frac{dx}{xlnx}

Edited by tpphu, 08-10-2007 - 00:11.

[quanghoa]

:limits_{2}^{10} :frac{dx}{xlnx}

$\int_{2}^{10} \dfrac{dx}{xlnx}$

[tex]\int_{2}^{10}  \dfrac{dx}{xlnx}[/tex]

làm ơn học cách gõ latex đi

Edited by quanghoa, 08-10-2007 - 09:53.

[quanghoa]

$\int_{2}^{10} \dfrac{dx}{xlnx}=\int_{2}^{10} \dfrac{dlnx}{lnx}=\int_{2}^{10} dln(lnx)={ln(lnx)}^{10}_{2}$