Calculus Examples

Find dv/dt v=(1-t)(1+t^2)^-1
Step 1
Differentiate both sides of the equation.
Step 2
The derivative of with respect to is .
Step 3
Differentiate the right side of the equation.
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Step 3.1
Differentiate using the Product Rule which states that is where and .
Step 3.2
Differentiate using the chain rule, which states that is where and .
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Step 3.2.1
To apply the Chain Rule, set as .
Step 3.2.2
Differentiate using the Power Rule which states that is where .
Step 3.2.3
Replace all occurrences of with .
Step 3.3
Differentiate.
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Step 3.3.1
By the Sum Rule, the derivative of with respect to is .
Step 3.3.2
Since is constant with respect to , the derivative of with respect to is .
Step 3.3.3
Add and .
Step 3.3.4
Differentiate using the Power Rule which states that is where .
Step 3.3.5
Multiply by .
Step 3.3.6
By the Sum Rule, the derivative of with respect to is .
Step 3.3.7
Since is constant with respect to , the derivative of with respect to is .
Step 3.3.8
Add and .
Step 3.3.9
Since is constant with respect to , the derivative of with respect to is .
Step 3.3.10
Differentiate using the Power Rule which states that is where .
Step 3.3.11
Simplify the expression.
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Step 3.3.11.1
Multiply by .
Step 3.3.11.2
Move to the left of .
Step 3.3.11.3
Rewrite as .
Step 3.4
Simplify.
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Step 3.4.1
Rewrite the expression using the negative exponent rule .
Step 3.4.2
Rewrite the expression using the negative exponent rule .
Step 3.4.3
Combine terms.
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Step 3.4.3.1
Combine and .
Step 3.4.3.2
Move the negative in front of the fraction.
Step 3.4.3.3
Combine and .
Step 3.4.3.4
Move to the left of .
Step 3.4.3.5
To write as a fraction with a common denominator, multiply by .
Step 3.4.3.6
Combine and .
Step 3.4.3.7
Combine the numerators over the common denominator.
Step 3.4.4
Reorder terms.
Step 3.4.5
Simplify the numerator.
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Step 3.4.5.1
Factor out of .
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Step 3.4.5.1.1
Reorder the expression.
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Step 3.4.5.1.1.1
Reorder and .
Step 3.4.5.1.1.2
Reorder and .
Step 3.4.5.1.1.3
Reorder and .
Step 3.4.5.1.2
Factor out of .
Step 3.4.5.1.3
Rewrite as .
Step 3.4.5.1.4
Factor out of .
Step 3.4.5.2
Cancel the common factor of .
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Step 3.4.5.2.1
Factor out of .
Step 3.4.5.2.2
Cancel the common factor.
Step 3.4.5.2.3
Rewrite the expression.
Step 3.4.5.3
Multiply by .
Step 3.4.5.4
Move to the left of .
Step 3.4.5.5
Write as a fraction with a common denominator.
Step 3.4.5.6
Combine the numerators over the common denominator.
Step 3.4.5.7
Reorder terms.
Step 3.4.5.8
Rewrite in a factored form.
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Step 3.4.5.8.1
Apply the distributive property.
Step 3.4.5.8.2
Rewrite using the commutative property of multiplication.
Step 3.4.5.8.3
Multiply by .
Step 3.4.5.8.4
Simplify each term.
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Step 3.4.5.8.4.1
Multiply by by adding the exponents.
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Step 3.4.5.8.4.1.1
Move .
Step 3.4.5.8.4.1.2
Multiply by .
Step 3.4.5.8.4.2
Multiply by .
Step 3.4.5.8.5
Subtract from .
Step 3.4.6
Multiply the numerator by the reciprocal of the denominator.
Step 3.4.7
Multiply .
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Step 3.4.7.1
Multiply by .
Step 3.4.7.2
Raise to the power of .
Step 3.4.7.3
Raise to the power of .
Step 3.4.7.4
Use the power rule to combine exponents.
Step 3.4.7.5
Add and .
Step 3.4.8
Factor out of .
Step 3.4.9
Factor out of .
Step 3.4.10
Factor out of .
Step 3.4.11
Rewrite as .
Step 3.4.12
Factor out of .
Step 3.4.13
Rewrite as .
Step 3.4.14
Move the negative in front of the fraction.
Step 3.4.15
Multiply by .
Step 3.4.16
Multiply by .
Step 4
Reform the equation by setting the left side equal to the right side.
Step 5
Replace with .