Calculus Examples

Find the 2nd Derivative f(x)=x^2 natural log of x
Step 1
Find the first derivative.
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Step 1.1
Differentiate using the Product Rule which states that is where and .
Step 1.2
The derivative of with respect to is .
Step 1.3
Differentiate using the Power Rule.
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Step 1.3.1
Combine and .
Step 1.3.2
Cancel the common factor of and .
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Step 1.3.2.1
Factor out of .
Step 1.3.2.2
Cancel the common factors.
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Step 1.3.2.2.1
Raise to the power of .
Step 1.3.2.2.2
Factor out of .
Step 1.3.2.2.3
Cancel the common factor.
Step 1.3.2.2.4
Rewrite the expression.
Step 1.3.2.2.5
Divide by .
Step 1.3.3
Differentiate using the Power Rule which states that is where .
Step 1.3.4
Reorder terms.
Step 2
Find the second derivative.
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Step 2.1
By the Sum Rule, the derivative of with respect to is .
Step 2.2
Evaluate .
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Step 2.2.1
Since is constant with respect to , the derivative of with respect to is .
Step 2.2.2
Differentiate using the Product Rule which states that is where and .
Step 2.2.3
The derivative of with respect to is .
Step 2.2.4
Differentiate using the Power Rule which states that is where .
Step 2.2.5
Combine and .
Step 2.2.6
Cancel the common factor of .
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Step 2.2.6.1
Cancel the common factor.
Step 2.2.6.2
Rewrite the expression.
Step 2.2.7
Multiply by .
Step 2.3
Differentiate using the Power Rule which states that is where .
Step 2.4
Simplify.
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Step 2.4.1
Apply the distributive property.
Step 2.4.2
Combine terms.
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Step 2.4.2.1
Multiply by .
Step 2.4.2.2
Add and .
Step 3
Find the third derivative.
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Step 3.1
By the Sum Rule, the derivative of with respect to is .
Step 3.2
Evaluate .
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Step 3.2.1
Since is constant with respect to , the derivative of with respect to is .
Step 3.2.2
The derivative of with respect to is .
Step 3.2.3
Combine and .
Step 3.3
Differentiate using the Constant Rule.
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Step 3.3.1
Since is constant with respect to , the derivative of with respect to is .
Step 3.3.2
Add and .
Step 4
Find the fourth derivative.
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Step 4.1
Since is constant with respect to , the derivative of with respect to is .
Step 4.2
Rewrite as .
Step 4.3
Differentiate using the Power Rule which states that is where .
Step 4.4
Multiply by .
Step 4.5
Simplify.
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Step 4.5.1
Rewrite the expression using the negative exponent rule .
Step 4.5.2
Combine terms.
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Step 4.5.2.1
Combine and .
Step 4.5.2.2
Move the negative in front of the fraction.
Step 5
The fourth derivative of with respect to is .