найти производную y=(x^2-3X+1)*(X^4-3X+1)
y`=(x^2-3x+1)`*(x^4-3x+1)+(x^2-3x+1)*(x^4-3x+1)`=(2x-3)*(x^4-3x+1)+(x^2-3x+1)*(4x-3)