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liubo4ka [24]
3 years ago
14

Finding Higher-Order Derivatives In Exercise, find the second derivative of the function.

Mathematics
1 answer:
Vinvika [58]3 years ago
3 0

Answer: The second derivative of the function is f''(x)=\dfrac{1}{2x}

Step-by-step explanation:

Since we have given that

f(x)=x\ln \sqrt{x}+2x

We need to find the second derivative of the function.

So, the first derivative would be

f'(x)=1\times \ln\sqrt{x}+x\dfrac{1}{\sqrt{x}}\times \dfrac{1}{2\sqrt{x}}+2\\\\f'(x)=\ln \sqrt{x}+\dfrac{1}{2}+2\\\\f'(x)=\ln\sqrt{x}+\dfrac{3}{2}

Now, second derivative would be

f''(x)=\dfrac{1}{\sqrt{x}}\times \dfrac{1}{2\sqrt{x}}\\\\f''(x)=\dfrac{1}{2x}

Hence, the second derivative of the function is f''(x)=\dfrac{1}{2x}

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