Use the product rule to find the derivative of ( (-5x⁷-3x⁹)(8eˣ-1) ). Use ( e{()}x ) for ( eˣ ). You do not need to expand out your answer.
a) ( (-35x⁶-27x⁸)(8eˣ-1) )
b) ( (-35x⁶-27x⁸)(8eˣ)+(-5x⁷-3x⁹)(8eˣ) )
c) ( (-35x⁶-27x⁸)(8eˣ)+(8eˣ-1)(-35x⁶-27x⁸) )
d) ( (-35x⁶-27x⁸)(8eˣ)+(-5x⁷-3x⁹) )