Question

вычислите производную функции
y=(1-x^3)(x^4+4x)

Answer 1

 y = ( 1 - x³ )( x⁴ + 4x )
y ' = ( 1 - x³)' * ( x⁴ + 4x ) + ( 1 - x³ )( x⁴ + 4x)' = ( - 3x² )( x⁴ + 4x ) + 
+ ( 1 - x³ )*( 4x³ + 4 ) = - 3x⁶ - 12x³ + 4x³ + 4 - 4x⁶ - 4x³ = - 7x⁶ - 12x³ + 4