Calculus Examples

Find dy/dx y=(x+1)/(x+2)
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 Quotient Rule which states that is where and .
Step 3.2
Differentiate.
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Step 3.2.1
By the Sum Rule, 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
Since is constant with respect to , the derivative of with respect to is .
Step 3.2.4
Simplify the expression.
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Step 3.2.4.1
Add and .
Step 3.2.4.2
Multiply by .
Step 3.2.5
By the Sum Rule, the derivative of with respect to is .
Step 3.2.6
Differentiate using the Power Rule which states that is where .
Step 3.2.7
Since is constant with respect to , the derivative of with respect to is .
Step 3.2.8
Simplify the expression.
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Step 3.2.8.1
Add and .
Step 3.2.8.2
Multiply by .
Step 3.3
Simplify.
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Step 3.3.1
Apply the distributive property.
Step 3.3.2
Simplify the numerator.
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Step 3.3.2.1
Combine the opposite terms in .
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Step 3.3.2.1.1
Subtract from .
Step 3.3.2.1.2
Add and .
Step 3.3.2.2
Multiply by .
Step 3.3.2.3
Subtract from .
Step 4
Reform the equation by setting the left side equal to the right side.
Step 5
Replace with .