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Calculus Examples
Step 1
Step 1.1
Find the first derivative.
Step 1.1.1
Differentiate using the chain rule, which states that is where and .
Step 1.1.1.1
To apply the Chain Rule, set as .
Step 1.1.1.2
Differentiate using the Power Rule which states that is where .
Step 1.1.1.3
Replace all occurrences of with .
Step 1.1.2
To write as a fraction with a common denominator, multiply by .
Step 1.1.3
Combine and .
Step 1.1.4
Combine the numerators over the common denominator.
Step 1.1.5
Simplify the numerator.
Step 1.1.5.1
Multiply by .
Step 1.1.5.2
Subtract from .
Step 1.1.6
Combine fractions.
Step 1.1.6.1
Move the negative in front of the fraction.
Step 1.1.6.2
Combine and .
Step 1.1.6.3
Move to the denominator using the negative exponent rule .
Step 1.1.7
By the Sum Rule, the derivative of with respect to is .
Step 1.1.8
Differentiate using the Power Rule which states that is where .
Step 1.1.9
Since is constant with respect to , the derivative of with respect to is .
Step 1.1.10
Combine fractions.
Step 1.1.10.1
Add and .
Step 1.1.10.2
Combine and .
Step 1.1.10.3
Combine and .
Step 1.2
The first derivative of with respect to is .
Step 2
Step 2.1
Set the first derivative equal to .
Step 2.2
Set the numerator equal to zero.
Step 2.3
Divide each term in by and simplify.
Step 2.3.1
Divide each term in by .
Step 2.3.2
Simplify the left side.
Step 2.3.2.1
Cancel the common factor of .
Step 2.3.2.1.1
Cancel the common factor.
Step 2.3.2.1.2
Divide by .
Step 2.3.3
Simplify the right side.
Step 2.3.3.1
Divide by .
Step 3
Step 3.1
Apply the rule to rewrite the exponentiation as a radical.
Step 3.2
Set the denominator in equal to to find where the expression is undefined.
Step 3.3
Solve for .
Step 3.3.1
To remove the radical on the left side of the equation, cube both sides of the equation.
Step 3.3.2
Simplify each side of the equation.
Step 3.3.2.1
Use to rewrite as .
Step 3.3.2.2
Simplify the left side.
Step 3.3.2.2.1
Simplify .
Step 3.3.2.2.1.1
Apply the product rule to .
Step 3.3.2.2.1.2
Raise to the power of .
Step 3.3.2.2.1.3
Multiply the exponents in .
Step 3.3.2.2.1.3.1
Apply the power rule and multiply exponents, .
Step 3.3.2.2.1.3.2
Cancel the common factor of .
Step 3.3.2.2.1.3.2.1
Cancel the common factor.
Step 3.3.2.2.1.3.2.2
Rewrite the expression.
Step 3.3.2.3
Simplify the right side.
Step 3.3.2.3.1
Raising to any positive power yields .
Step 3.3.3
Solve for .
Step 3.3.3.1
Factor the left side of the equation.
Step 3.3.3.1.1
Rewrite as .
Step 3.3.3.1.2
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Step 3.3.3.1.3
Factor.
Step 3.3.3.1.3.1
Apply the product rule to .
Step 3.3.3.1.3.2
Remove unnecessary parentheses.
Step 3.3.3.2
If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .
Step 3.3.3.3
Set equal to and solve for .
Step 3.3.3.3.1
Set equal to .
Step 3.3.3.3.2
Solve for .
Step 3.3.3.3.2.1
Set the equal to .
Step 3.3.3.3.2.2
Subtract from both sides of the equation.
Step 3.3.3.4
Set equal to and solve for .
Step 3.3.3.4.1
Set equal to .
Step 3.3.3.4.2
Solve for .
Step 3.3.3.4.2.1
Set the equal to .
Step 3.3.3.4.2.2
Add to both sides of the equation.
Step 3.3.3.5
The final solution is all the values that make true.
Step 3.4
The equation is undefined where the denominator equals , the argument of a square root is less than , or the argument of a logarithm is less than or equal to .
Step 4
Step 4.1
Evaluate at .
Step 4.1.1
Substitute for .
Step 4.1.2
Simplify.
Step 4.1.2.1
Simplify the expression.
Step 4.1.2.1.1
Raising to any positive power yields .
Step 4.1.2.1.2
Subtract from .
Step 4.1.2.1.3
Rewrite as .
Step 4.1.2.1.4
Apply the power rule and multiply exponents, .
Step 4.1.2.2
Cancel the common factor of .
Step 4.1.2.2.1
Cancel the common factor.
Step 4.1.2.2.2
Rewrite the expression.
Step 4.1.2.3
Evaluate the exponent.
Step 4.2
Evaluate at .
Step 4.2.1
Substitute for .
Step 4.2.2
Simplify.
Step 4.2.2.1
Simplify the expression.
Step 4.2.2.1.1
Raise to the power of .
Step 4.2.2.1.2
Subtract from .
Step 4.2.2.1.3
Rewrite as .
Step 4.2.2.1.4
Apply the power rule and multiply exponents, .
Step 4.2.2.2
Cancel the common factor of .
Step 4.2.2.2.1
Cancel the common factor.
Step 4.2.2.2.2
Rewrite the expression.
Step 4.2.2.3
Evaluate the exponent.
Step 4.3
Evaluate at .
Step 4.3.1
Substitute for .
Step 4.3.2
Simplify.
Step 4.3.2.1
Simplify the expression.
Step 4.3.2.1.1
One to any power is one.
Step 4.3.2.1.2
Subtract from .
Step 4.3.2.1.3
Rewrite as .
Step 4.3.2.1.4
Apply the power rule and multiply exponents, .
Step 4.3.2.2
Cancel the common factor of .
Step 4.3.2.2.1
Cancel the common factor.
Step 4.3.2.2.2
Rewrite the expression.
Step 4.3.2.3
Evaluate the exponent.
Step 4.4
List all of the points.
Step 5