# Math Help - Integration

1. ## Integration

Could someone guide me through the steps of integrating

4x.e^[-2ln(x)]

thanks

2. Originally Posted by matty888
Could someone guide me through the steps of integrating

4x.e^[-2ln(x)]

thanks
$\int 4xe^{-2\ln(x)}dx=\int 4xe^{\ln(x^{-2})}dx=\int 4x\cdot x^{-2}dx=4\int\frac{1}{x}dx=4\ln|x|+c$

3. ## Thanks

Thanks TheEmptySet I was missing out on the log&e bit