1) y = 6x³ - 2x² + 10x
y' = 18x² -4x +10.
2) Используем формулу : (UV)' = U'V + UV'
y = √(x-1) (x+1)²
y' = 1/2√(x -1) * (x+1)² + √(x-1) * 2(x+1)= ((x+1)² +2(x-1)(x+1))/2√(x-1)=
=(x² +2x +1 +2x² -2)/2√(х -1) = (3х² +2х -1)/2√)х-1)
3) у = (4х^4 -4х² +1)/х² = 4х² -4 +1/х²
y' = 8х -2/х³