Question: Find the second derivative of

1. \(f\left( x \right)=6{{x}^{5}}-4{{x}^{3}}+5{{x}^{2}}-2x+\frac{1}{x}\)
2. \(z=\frac{2}{1+{{x}^{2}}}\)
3. \(y={{\left( 3{{x}^{2}}+2 \right)}^{4}}\)
4. \(f\left( x \right)=2x{{\left( x+4 \right)}^{3}}\)
5. \(f\left( x \right)=\frac{x-1}{{{\left( x+1 \right)}^{2}}}\)

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Deliverable: Word Document