Question $7$

Find the derivative.

$y=\frac{ln(8x+6)}{e^{8x+6}}$

$\frac{1}{(8x+6)e^{(8x+6)}}$

$\frac{1-(8x+6)ln(8x+6)}{(8x+6)e^{(8x+6)}}$

$\frac{1-8[ln(8x+6){]}^2}{ln[8x+6]e^{(8x+6)}}$

$\frac{8-(64x+48)ln(8x+6)}{(8x+6)e^{(8x+6)}}$