Calculus Examples

Find dy/dx 4x^3+ natural log of y^2+2y=2x
Step 1
Differentiate both sides of the equation.
Step 2
Differentiate the left side of the equation.
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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
Differentiate using the chain rule, which states that is where and .
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Step 2.3.1.1
To apply the Chain Rule, set as .
Step 2.3.1.2
The derivative of with respect to is .
Step 2.3.1.3
Replace all occurrences of with .
Step 2.3.2
Differentiate using the chain rule, which states that is where and .
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Step 2.3.2.1
To apply the Chain Rule, set as .
Step 2.3.2.2
Differentiate using the Power Rule which states that is where .
Step 2.3.2.3
Replace all occurrences of with .
Step 2.3.3
Rewrite as .
Step 2.3.4
Combine and .
Step 2.3.5
Combine and .
Step 2.3.6
Combine and .
Step 2.3.7
Move to the left of .
Step 2.3.8
Cancel the common factor of and .
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Step 2.3.8.1
Factor out of .
Step 2.3.8.2
Cancel the common factors.
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Step 2.3.8.2.1
Factor out of .
Step 2.3.8.2.2
Cancel the common factor.
Step 2.3.8.2.3
Rewrite the expression.
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
Rewrite as .
Step 3
Differentiate the right side of the equation.
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Step 3.1
Since is constant with respect to , the derivative of with respect to is .
Step 3.2
Differentiate using the Power Rule which states that is where .
Step 3.3
Multiply by .
Step 4
Reform the equation by setting the left side equal to the right side.
Step 5
Solve for .
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Step 5.1
Find the LCD of the terms in the equation.
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Step 5.1.1
Finding the LCD of a list of values is the same as finding the LCM of the denominators of those values.
Step 5.1.2
The LCM of one and any expression is the expression.
Step 5.2
Multiply each term in by to eliminate the fractions.
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Step 5.2.1
Multiply each term in by .
Step 5.2.2
Simplify the left side.
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Step 5.2.2.1
Cancel the common factor of .
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Step 5.2.2.1.1
Cancel the common factor.
Step 5.2.2.1.2
Rewrite the expression.
Step 5.3
Solve the equation.
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Step 5.3.1
Subtract from both sides of the equation.
Step 5.3.2
Factor out of .
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Step 5.3.2.1
Factor out of .
Step 5.3.2.2
Factor out of .
Step 5.3.2.3
Factor out of .
Step 5.3.3
Divide each term in by and simplify.
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Step 5.3.3.1
Divide each term in by .
Step 5.3.3.2
Simplify the left side.
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Step 5.3.3.2.1
Cancel the common factor of .
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Step 5.3.3.2.1.1
Cancel the common factor.
Step 5.3.3.2.1.2
Rewrite the expression.
Step 5.3.3.2.2
Cancel the common factor of .
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Step 5.3.3.2.2.1
Cancel the common factor.
Step 5.3.3.2.2.2
Divide by .
Step 5.3.3.3
Simplify the right side.
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Step 5.3.3.3.1
Simplify each term.
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Step 5.3.3.3.1.1
Cancel the common factor of .
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Step 5.3.3.3.1.1.1
Cancel the common factor.
Step 5.3.3.3.1.1.2
Rewrite the expression.
Step 5.3.3.3.1.2
Cancel the common factor of and .
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Step 5.3.3.3.1.2.1
Factor out of .
Step 5.3.3.3.1.2.2
Cancel the common factors.
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Step 5.3.3.3.1.2.2.1
Cancel the common factor.
Step 5.3.3.3.1.2.2.2
Rewrite the expression.
Step 5.3.3.3.1.3
Move the negative in front of the fraction.
Step 5.3.3.3.2
Simplify terms.
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Step 5.3.3.3.2.1
Combine the numerators over the common denominator.
Step 5.3.3.3.2.2
Factor out of .
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Step 5.3.3.3.2.2.1
Raise to the power of .
Step 5.3.3.3.2.2.2
Factor out of .
Step 5.3.3.3.2.2.3
Factor out of .
Step 5.3.3.3.2.2.4
Factor out of .
Step 6
Replace with .