Calculus Examples

Find the 2nd Derivative f(x)=xsin(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
Differentiate using the Power Rule which states that is where .
Step 1.3.2
Multiply by .
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
Differentiate using the Product Rule which states that is where and .
Step 2.2.2
The derivative of with respect to is .
Step 2.2.3
Differentiate using the Power Rule which states that is where .
Step 2.2.4
Multiply by .
Step 2.3
The derivative of with respect to is .
Step 2.4
Simplify.
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Step 2.4.1
Add and .
Step 2.4.2
Reorder terms.
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
Differentiate using the Product Rule which states that is where and .
Step 3.2.3
The derivative of with respect to is .
Step 3.2.4
Differentiate using the Power Rule which states that is where .
Step 3.2.5
Multiply by .
Step 3.3
Evaluate .
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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
The derivative of with respect to is .
Step 3.3.3
Multiply by .
Step 3.4
Simplify.
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Step 3.4.1
Apply the distributive property.
Step 3.4.2
Subtract from .
Step 4
Find the fourth derivative.
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Step 4.1
By the Sum Rule, the derivative of with respect to is .
Step 4.2
Evaluate .
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Step 4.2.1
Since is constant with respect to , the derivative of with respect to is .
Step 4.2.2
Differentiate using the Product Rule which states that is where and .
Step 4.2.3
The derivative of with respect to is .
Step 4.2.4
Differentiate using the Power Rule which states that is where .
Step 4.2.5
Multiply by .
Step 4.3
Evaluate .
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Step 4.3.1
Since is constant with respect to , the derivative of with respect to is .
Step 4.3.2
The derivative of with respect to is .
Step 4.4
Simplify.
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Step 4.4.1
Apply the distributive property.
Step 4.4.2
Combine terms.
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Step 4.4.2.1
Multiply by .
Step 4.4.2.2
Multiply by .
Step 4.4.2.3
Subtract from .
Step 5
The fourth derivative of with respect to is .