1)y`=15x^4-8x³
2)y`=4(x³-x²+5x-3)+(4x-1)(3x²-2x+5)=4x³-4x²+20x-12+12x³-8x²+20x-3x²+2x-5=
=16x³-15x²+42x-20
3)y`=(2x*x³-(x²+2)*3x²)/x^6=(2x^4-3x^4-6x²)/x^6=(-x^4-6x²)/x^6=x²(-x²-6)/x^6=
=(-x²-6)/x^4
4)y`=4x/3∛(x²-3)
1)y`=15x^4-8x³
2)y`=4(x³-x²+5x-3)+(4x-1)(3x²-2x+5)=4x³-4x²+20x-12+12x³-8x²+20x-3x²+2x-5=
=16x³-15x²+42x-20
3)y`=(2x*x³-(x²+2)*3x²)/x^6=(2x^4-3x^4-6x²)/x^6=(-x^4-6x²)/x^6=x²(-x²-6)/x^6=
=(-x²-6)/x^4
4)y`=4x/3∛(x²-3)