Question

differentiate the function
Y=
$\frac{ - 1}{6x {}^{6} } - \frac{1}{5x {}^{4} } - \frac{1}{4x {}^{4} }$

Answer 1

Use the formula :
$\frac{d( {x}^{n} )}{dx} = n {x}^{n - 1}$