Precalculus Examples

Find the Third Derivative y=4x^6+3x^5-7x^3-5x^2+11
Step 1
Find the first derivative.
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Step 1.1
By the Sum Rule, the derivative of with respect to is .
Step 1.2
Evaluate .
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Step 1.2.1
Since is constant with respect to , the derivative of with respect to is .
Step 1.2.2
Differentiate using the Power Rule which states that is where .
Step 1.2.3
Multiply by .
Step 1.3
Evaluate .
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Step 1.3.1
Since is constant with respect to , the derivative of with respect to is .
Step 1.3.2
Differentiate using the Power Rule which states that is where .
Step 1.3.3
Multiply by .
Step 1.4
Evaluate .
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Step 1.4.1
Since is constant with respect to , the derivative of with respect to is .
Step 1.4.2
Differentiate using the Power Rule which states that is where .
Step 1.4.3
Multiply by .
Step 1.5
Evaluate .
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Step 1.5.1
Since is constant with respect to , the derivative of with respect to is .
Step 1.5.2
Differentiate using the Power Rule which states that is where .
Step 1.5.3
Multiply by .
Step 1.6
Differentiate using the Constant Rule.
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Step 1.6.1
Since is constant with respect to , the derivative of with respect to is .
Step 1.6.2
Add and .
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 Power Rule which states that is where .
Step 2.2.3
Multiply by .
Step 2.3
Evaluate .
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Step 2.3.1
Since is constant with respect to , the derivative of with respect to is .
Step 2.3.2
Differentiate using the Power Rule which states that is where .
Step 2.3.3
Multiply by .
Step 2.4
Evaluate .
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Step 2.4.1
Since is constant with respect to , the derivative of with respect to is .
Step 2.4.2
Differentiate using the Power Rule which states that is where .
Step 2.4.3
Multiply by .
Step 2.5
Evaluate .
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Step 2.5.1
Since is constant with respect to , the derivative of with respect to is .
Step 2.5.2
Differentiate using the Power Rule which states that is where .
Step 2.5.3
Multiply by .
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 Power Rule which states that is where .
Step 3.2.3
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
Differentiate using the Power Rule which states that is where .
Step 3.3.3
Multiply by .
Step 3.4
Evaluate .
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Step 3.4.1
Since is constant with respect to , the derivative of with respect to is .
Step 3.4.2
Differentiate using the Power Rule which states that is where .
Step 3.4.3
Multiply by .
Step 3.5
Differentiate using the Constant Rule.
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Step 3.5.1
Since is constant with respect to , the derivative of with respect to is .
Step 3.5.2
Add and .