Differentiate the following function:
y = 10x³e^(-x³)
y = ____.

Find f'(x)
f(x) = e^(√x-14)
f'(x) = ___

Evaluate the derivative of the following function:
h(x) = 12x¹²
Find h'(x).

Differentiate the following function:
y = (e^x + e^(-x)) / (e^x - e^(-x))
Find y'.