Calculus Examples

Find the Derivative - d/dx 2/x-2/(x^3)+1/(x^4)
Step 1
By the Sum Rule, the derivative of with respect to is .
Step 2
Evaluate .
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Step 2.1
Since is constant with respect to , the derivative of with respect to is .
Step 2.2
Rewrite as .
Step 2.3
Differentiate using the Power Rule which states that is where .
Step 2.4
Multiply by .
Step 3
Evaluate .
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Step 3.1
Since is constant with respect to , the derivative of with respect to is .
Step 3.2
Rewrite as .
Step 3.3
Differentiate using the chain rule, which states that is where and .
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Step 3.3.1
To apply the Chain Rule, set as .
Step 3.3.2
Differentiate using the Power Rule which states that is where .
Step 3.3.3
Replace all occurrences of with .
Step 3.4
Differentiate using the Power Rule which states that is where .
Step 3.5
Multiply the exponents in .
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Step 3.5.1
Apply the power rule and multiply exponents, .
Step 3.5.2
Multiply by .
Step 3.6
Multiply by .
Step 3.7
Multiply by by adding the exponents.
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Step 3.7.1
Move .
Step 3.7.2
Use the power rule to combine exponents.
Step 3.7.3
Subtract from .
Step 3.8
Multiply by .
Step 4
Evaluate .
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Step 4.1
Rewrite as .
Step 4.2
Differentiate using the chain rule, which states that is where and .
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Step 4.2.1
To apply the Chain Rule, set as .
Step 4.2.2
Differentiate using the Power Rule which states that is where .
Step 4.2.3
Replace all occurrences of with .
Step 4.3
Differentiate using the Power Rule which states that is where .
Step 4.4
Multiply the exponents in .
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Step 4.4.1
Apply the power rule and multiply exponents, .
Step 4.4.2
Multiply by .
Step 4.5
Multiply by .
Step 4.6
Multiply by by adding the exponents.
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Step 4.6.1
Move .
Step 4.6.2
Use the power rule to combine exponents.
Step 4.6.3
Subtract from .
Step 5
Simplify.
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Step 5.1
Rewrite the expression using the negative exponent rule .
Step 5.2
Rewrite the expression using the negative exponent rule .
Step 5.3
Rewrite the expression using the negative exponent rule .
Step 5.4
Combine terms.
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Step 5.4.1
Combine and .
Step 5.4.2
Move the negative in front of the fraction.
Step 5.4.3
Combine and .
Step 5.4.4
Combine and .
Step 5.4.5
Move the negative in front of the fraction.