^{3}-8) • x

^{2}+ 1/x

^{2}- 1 )

**d/dx [ -1 + 1/x**

^{2}+ x^{2}(-8+x^{3}) ]^{2}) + d/dx [x

^{2}(-8+x

^{3}) ]

^{n}) = n•x

^{n-1}

^{2}) = d/dx (x

^{-2}) = -2x

^{3}

**d/dx = (x**

^{2}(-8+x^{3})) + (-2/x^{3})^{2}, v = x

^{3}-8

**= (-2/x**

^{3}) + (x^{3}- 8) d/dx(x^{2}) + x^{2 }d/dx(-8+x^{3})d/dx(x

^{n}) = n•x

^{n-1}

n= -2, d/dx (x

^{2}) = 2x

**= (-2/x**

^{3}) + x^{2}(d/dx(-8+x^{3})) + (-8+x^{3})(2x)**= (-2/x**

^{3}) + (2x)(-8+x^{3}) + (d/dx(-8) + d/dx(x^{3}) • x^{2}**= (-2/x**

^{3}) + (2x)(-8+x^{3}) + (3x^{2}) • x2^{3}) + (2x)(-8+x

^{3}) + 3x

^{4}

^{3}) + (-16x) + (2x

^{4}) + 3x

^{4}

^{4}- 2 / x

^{3}- 16 x

## Comments

^{2}+ x^{2}(-8+x^{3}) ] is what she meant?