f(x) = (3-x)^-2f'(x) = -2(3-x)^{-3} * (-1) = 2/(3-x)^3
f(x) = sin(1/2x)f'(x) = (1/2)cos(1/2x) * (1/2) = (1/4)cos(1/2x)
f(x) = 2ctg(3x)f'(x) = 2 (-csc^2(3x)) 3 = -6csc^2(3x)
f(x) = √(16-x^2)f'(x) = -1/2(16-x^2)^(-1/2) * (-2x) = x/√(16-x^2)
f(x) = (3-x)^-2
f'(x) = -2(3-x)^{-3} * (-1) = 2/(3-x)^3
f(x) = sin(1/2x)
f'(x) = (1/2)cos(1/2x) * (1/2) = (1/4)cos(1/2x)
f(x) = 2ctg(3x)
f'(x) = 2 (-csc^2(3x)) 3 = -6csc^2(3x)
f(x) = √(16-x^2)
f'(x) = -1/2(16-x^2)^(-1/2) * (-2x) = x/√(16-x^2)