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Calculus Examples
Step 1
Step 1.1
Find the first derivative.
Step 1.1.1
Differentiate using the Quotient Rule which states that is where and .
Step 1.1.2
Differentiate.
Step 1.1.2.1
Differentiate using the Power Rule which states that is where .
Step 1.1.2.2
Move to the left of .
Step 1.1.2.3
By the Sum Rule, the derivative of with respect to is .
Step 1.1.2.4
Differentiate using the Power Rule which states that is where .
Step 1.1.2.5
Since is constant with respect to , the derivative of with respect to is .
Step 1.1.2.6
Simplify the expression.
Step 1.1.2.6.1
Add and .
Step 1.1.2.6.2
Multiply by .
Step 1.1.3
Raise to the power of .
Step 1.1.4
Use the power rule to combine exponents.
Step 1.1.5
Add and .
Step 1.1.6
Simplify.
Step 1.1.6.1
Apply the distributive property.
Step 1.1.6.2
Apply the distributive property.
Step 1.1.6.3
Simplify the numerator.
Step 1.1.6.3.1
Simplify each term.
Step 1.1.6.3.1.1
Multiply by by adding the exponents.
Step 1.1.6.3.1.1.1
Move .
Step 1.1.6.3.1.1.2
Use the power rule to combine exponents.
Step 1.1.6.3.1.1.3
Add and .
Step 1.1.6.3.1.2
Multiply by .
Step 1.1.6.3.2
Subtract from .
Step 1.1.6.4
Factor out of .
Step 1.1.6.4.1
Factor out of .
Step 1.1.6.4.2
Factor out of .
Step 1.1.6.4.3
Factor out of .
Step 1.1.6.5
Simplify the denominator.
Step 1.1.6.5.1
Rewrite as .
Step 1.1.6.5.2
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Step 1.1.6.5.3
Apply the product rule to .
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
Solve the equation for .
Step 2.3.1
If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .
Step 2.3.2
Set equal to and solve for .
Step 2.3.2.1
Set equal to .
Step 2.3.2.2
Solve for .
Step 2.3.2.2.1
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 2.3.2.2.2
Simplify .
Step 2.3.2.2.2.1
Rewrite as .
Step 2.3.2.2.2.2
Pull terms out from under the radical, assuming positive real numbers.
Step 2.3.2.2.2.3
Plus or minus is .
Step 2.3.3
Set equal to and solve for .
Step 2.3.3.1
Set equal to .
Step 2.3.3.2
Solve for .
Step 2.3.3.2.1
Add to both sides of the equation.
Step 2.3.3.2.2
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 2.3.3.2.3
Simplify .
Step 2.3.3.2.3.1
Rewrite as .
Step 2.3.3.2.3.1.1
Factor out of .
Step 2.3.3.2.3.1.2
Rewrite as .
Step 2.3.3.2.3.2
Pull terms out from under the radical.
Step 2.3.3.2.4
The complete solution is the result of both the positive and negative portions of the solution.
Step 2.3.3.2.4.1
First, use the positive value of the to find the first solution.
Step 2.3.3.2.4.2
Next, use the negative value of the to find the second solution.
Step 2.3.3.2.4.3
The complete solution is the result of both the positive and negative portions of the solution.
Step 2.3.4
The final solution is all the values that make true.
Step 3
Step 3.1
Set the denominator in equal to to find where the expression is undefined.
Step 3.2
Solve for .
Step 3.2.1
If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .
Step 3.2.2
Set equal to and solve for .
Step 3.2.2.1
Set equal to .
Step 3.2.2.2
Solve for .
Step 3.2.2.2.1
Set the equal to .
Step 3.2.2.2.2
Subtract from both sides of the equation.
Step 3.2.3
Set equal to and solve for .
Step 3.2.3.1
Set equal to .
Step 3.2.3.2
Solve for .
Step 3.2.3.2.1
Set the equal to .
Step 3.2.3.2.2
Add to both sides of the equation.
Step 3.2.4
The final solution is all the values that make true.
Step 3.3
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
Raising to any positive power yields .
Step 4.1.2.2
Simplify the denominator.
Step 4.1.2.2.1
Raising to any positive power yields .
Step 4.1.2.2.2
Subtract from .
Step 4.1.2.3
Divide by .
Step 4.2
Evaluate at .
Step 4.2.1
Substitute for .
Step 4.2.2
Simplify.
Step 4.2.2.1
Simplify the numerator.
Step 4.2.2.1.1
Apply the product rule to .
Step 4.2.2.1.2
Raise to the power of .
Step 4.2.2.1.3
Rewrite as .
Step 4.2.2.1.4
Raise to the power of .
Step 4.2.2.1.5
Rewrite as .
Step 4.2.2.1.5.1
Factor out of .
Step 4.2.2.1.5.2
Rewrite as .
Step 4.2.2.1.6
Pull terms out from under the radical.
Step 4.2.2.1.7
Multiply by .
Step 4.2.2.2
Simplify the denominator.
Step 4.2.2.2.1
Apply the product rule to .
Step 4.2.2.2.2
Raise to the power of .
Step 4.2.2.2.3
Rewrite as .
Step 4.2.2.2.3.1
Use to rewrite as .
Step 4.2.2.2.3.2
Apply the power rule and multiply exponents, .
Step 4.2.2.2.3.3
Combine and .
Step 4.2.2.2.3.4
Cancel the common factor of .
Step 4.2.2.2.3.4.1
Cancel the common factor.
Step 4.2.2.2.3.4.2
Rewrite the expression.
Step 4.2.2.2.3.5
Evaluate the exponent.
Step 4.2.2.2.4
Multiply by .
Step 4.2.2.2.5
Subtract from .
Step 4.2.2.3
Cancel the common factor of and .
Step 4.2.2.3.1
Factor out of .
Step 4.2.2.3.2
Cancel the common factors.
Step 4.2.2.3.2.1
Factor out of .
Step 4.2.2.3.2.2
Cancel the common factor.
Step 4.2.2.3.2.3
Rewrite the expression.
Step 4.2.2.3.2.4
Divide by .
Step 4.3
Evaluate at .
Step 4.3.1
Substitute for .
Step 4.3.2
Simplify.
Step 4.3.2.1
Simplify the numerator.
Step 4.3.2.1.1
Apply the product rule to .
Step 4.3.2.1.2
Raise to the power of .
Step 4.3.2.1.3
Rewrite as .
Step 4.3.2.1.4
Raise to the power of .
Step 4.3.2.1.5
Rewrite as .
Step 4.3.2.1.5.1
Factor out of .
Step 4.3.2.1.5.2
Rewrite as .
Step 4.3.2.1.6
Pull terms out from under the radical.
Step 4.3.2.1.7
Multiply by .
Step 4.3.2.2
Simplify the denominator.
Step 4.3.2.2.1
Apply the product rule to .
Step 4.3.2.2.2
Raise to the power of .
Step 4.3.2.2.3
Rewrite as .
Step 4.3.2.2.3.1
Use to rewrite as .
Step 4.3.2.2.3.2
Apply the power rule and multiply exponents, .
Step 4.3.2.2.3.3
Combine and .
Step 4.3.2.2.3.4
Cancel the common factor of .
Step 4.3.2.2.3.4.1
Cancel the common factor.
Step 4.3.2.2.3.4.2
Rewrite the expression.
Step 4.3.2.2.3.5
Evaluate the exponent.
Step 4.3.2.2.4
Multiply by .
Step 4.3.2.2.5
Subtract from .
Step 4.3.2.3
Cancel the common factor of and .
Step 4.3.2.3.1
Factor out of .
Step 4.3.2.3.2
Cancel the common factors.
Step 4.3.2.3.2.1
Factor out of .
Step 4.3.2.3.2.2
Cancel the common factor.
Step 4.3.2.3.2.3
Rewrite the expression.
Step 4.3.2.3.2.4
Divide by .
Step 4.4
Evaluate at .
Step 4.4.1
Substitute for .
Step 4.4.2
Simplify.
Step 4.4.2.1
Raise to the power of .
Step 4.4.2.2
Subtract from .
Step 4.4.2.3
The expression contains a division by . The expression is undefined.
Undefined
Undefined
Undefined
Step 4.5
Evaluate at .
Step 4.5.1
Substitute for .
Step 4.5.2
Simplify.
Step 4.5.2.1
Raise to the power of .
Step 4.5.2.2
Subtract from .
Step 4.5.2.3
The expression contains a division by . The expression is undefined.
Undefined
Undefined
Undefined
Step 4.6
List all of the points.
Step 5