1) y=(1-x^3)^5y'=5(1-x^3)^4 * (1-x^3)' = 5(1-x^3)^4 *(-3x^2)=-15x^2(1-x^3)^42) y=1/(x^2-7x+8)^2y'= -2/(x^2-7x+8)^3 * (x^2-7x+8)' = -2/(x^2-7x+8)^3 * (2x-7) = (-4x+14)/(x^2-7x+8)^3
1) y=(1-x^3)^5
y'=5(1-x^3)^4 * (1-x^3)' = 5(1-x^3)^4 *(-3x^2)=-15x^2(1-x^3)^4
2) y=1/(x^2-7x+8)^2
y'= -2/(x^2-7x+8)^3 * (x^2-7x+8)' = -2/(x^2-7x+8)^3 * (2x-7) = (-4x+14)/(x^2-7x+8)^3