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Calculus Examples
Step 1
Step 1.1
Find the first derivative.
Step 1.1.1
By the Sum Rule, the derivative of with respect to is .
Step 1.1.2
Evaluate .
Step 1.1.2.1
Since is constant with respect to , the derivative of with respect to is .
Step 1.1.2.2
Differentiate using the Power Rule which states that is where .
Step 1.1.2.3
Multiply by .
Step 1.1.3
Evaluate .
Step 1.1.3.1
Since is constant with respect to , the derivative of with respect to is .
Step 1.1.3.2
Rewrite as .
Step 1.1.3.3
Differentiate using the Power Rule which states that is where .
Step 1.1.3.4
Multiply by .
Step 1.1.4
Rewrite the expression using the negative exponent rule .
Step 1.1.5
Simplify.
Step 1.1.5.1
Combine terms.
Step 1.1.5.1.1
Combine and .
Step 1.1.5.1.2
Move the negative in front of the fraction.
Step 1.1.5.2
Reorder terms.
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
Subtract from both sides of the equation.
Step 2.3
Find the LCD of the terms in the equation.
Step 2.3.1
Finding the LCD of a list of values is the same as finding the LCM of the denominators of those values.
Step 2.3.2
The LCM of one and any expression is the expression.
Step 2.4
Multiply each term in by to eliminate the fractions.
Step 2.4.1
Multiply each term in by .
Step 2.4.2
Simplify the left side.
Step 2.4.2.1
Cancel the common factor of .
Step 2.4.2.1.1
Move the leading negative in into the numerator.
Step 2.4.2.1.2
Cancel the common factor.
Step 2.4.2.1.3
Rewrite the expression.
Step 2.5
Solve the equation.
Step 2.5.1
Rewrite the equation as .
Step 2.5.2
Divide each term in by and simplify.
Step 2.5.2.1
Divide each term in by .
Step 2.5.2.2
Simplify the left side.
Step 2.5.2.2.1
Cancel the common factor of .
Step 2.5.2.2.1.1
Cancel the common factor.
Step 2.5.2.2.1.2
Divide by .
Step 2.5.2.3
Simplify the right side.
Step 2.5.2.3.1
Cancel the common factor of and .
Step 2.5.2.3.1.1
Factor out of .
Step 2.5.2.3.1.2
Cancel the common factors.
Step 2.5.2.3.1.2.1
Factor out of .
Step 2.5.2.3.1.2.2
Cancel the common factor.
Step 2.5.2.3.1.2.3
Rewrite the expression.
Step 2.5.3
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 2.5.4
Simplify .
Step 2.5.4.1
Rewrite as .
Step 2.5.4.2
Simplify the numerator.
Step 2.5.4.2.1
Rewrite as .
Step 2.5.4.2.2
Pull terms out from under the radical, assuming positive real numbers.
Step 2.5.4.3
Multiply by .
Step 2.5.4.4
Combine and simplify the denominator.
Step 2.5.4.4.1
Multiply by .
Step 2.5.4.4.2
Raise to the power of .
Step 2.5.4.4.3
Raise to the power of .
Step 2.5.4.4.4
Use the power rule to combine exponents.
Step 2.5.4.4.5
Add and .
Step 2.5.4.4.6
Rewrite as .
Step 2.5.4.4.6.1
Use to rewrite as .
Step 2.5.4.4.6.2
Apply the power rule and multiply exponents, .
Step 2.5.4.4.6.3
Combine and .
Step 2.5.4.4.6.4
Cancel the common factor of .
Step 2.5.4.4.6.4.1
Cancel the common factor.
Step 2.5.4.4.6.4.2
Rewrite the expression.
Step 2.5.4.4.6.5
Evaluate the exponent.
Step 2.5.5
The complete solution is the result of both the positive and negative portions of the solution.
Step 2.5.5.1
First, use the positive value of the to find the first solution.
Step 2.5.5.2
Next, use the negative value of the to find the second solution.
Step 2.5.5.3
The complete solution is the result of both the positive and negative portions of the solution.
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
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 3.2.2
Simplify .
Step 3.2.2.1
Rewrite as .
Step 3.2.2.2
Pull terms out from under the radical, assuming positive real numbers.
Step 3.2.2.3
Plus or minus is .
Step 4
Step 4.1
Evaluate at .
Step 4.1.1
Substitute for .
Step 4.1.2
Simplify.
Step 4.1.2.1
Simplify each term.
Step 4.1.2.1.1
Cancel the common factor of .
Step 4.1.2.1.1.1
Factor out of .
Step 4.1.2.1.1.2
Cancel the common factor.
Step 4.1.2.1.1.3
Rewrite the expression.
Step 4.1.2.1.2
Multiply by .
Step 4.1.2.1.3
Multiply the numerator by the reciprocal of the denominator.
Step 4.1.2.1.4
Cancel the common factor of .
Step 4.1.2.1.4.1
Factor out of .
Step 4.1.2.1.4.2
Factor out of .
Step 4.1.2.1.4.3
Cancel the common factor.
Step 4.1.2.1.4.4
Rewrite the expression.
Step 4.1.2.1.5
Combine and .
Step 4.1.2.1.6
Multiply by .
Step 4.1.2.1.7
Multiply by .
Step 4.1.2.1.8
Combine and simplify the denominator.
Step 4.1.2.1.8.1
Multiply by .
Step 4.1.2.1.8.2
Raise to the power of .
Step 4.1.2.1.8.3
Raise to the power of .
Step 4.1.2.1.8.4
Use the power rule to combine exponents.
Step 4.1.2.1.8.5
Add and .
Step 4.1.2.1.8.6
Rewrite as .
Step 4.1.2.1.8.6.1
Use to rewrite as .
Step 4.1.2.1.8.6.2
Apply the power rule and multiply exponents, .
Step 4.1.2.1.8.6.3
Combine and .
Step 4.1.2.1.8.6.4
Cancel the common factor of .
Step 4.1.2.1.8.6.4.1
Cancel the common factor.
Step 4.1.2.1.8.6.4.2
Rewrite the expression.
Step 4.1.2.1.8.6.5
Evaluate the exponent.
Step 4.1.2.1.9
Cancel the common factor of and .
Step 4.1.2.1.9.1
Factor out of .
Step 4.1.2.1.9.2
Cancel the common factors.
Step 4.1.2.1.9.2.1
Factor out of .
Step 4.1.2.1.9.2.2
Cancel the common factor.
Step 4.1.2.1.9.2.3
Rewrite the expression.
Step 4.1.2.1.9.2.4
Divide by .
Step 4.1.2.2
Add and .
Step 4.2
Evaluate at .
Step 4.2.1
Substitute for .
Step 4.2.2
Simplify.
Step 4.2.2.1
Simplify each term.
Step 4.2.2.1.1
Cancel the common factor of .
Step 4.2.2.1.1.1
Move the leading negative in into the numerator.
Step 4.2.2.1.1.2
Factor out of .
Step 4.2.2.1.1.3
Cancel the common factor.
Step 4.2.2.1.1.4
Rewrite the expression.
Step 4.2.2.1.2
Multiply by .
Step 4.2.2.1.3
Multiply the numerator by the reciprocal of the denominator.
Step 4.2.2.1.4
Cancel the common factor of .
Step 4.2.2.1.4.1
Move the leading negative in into the numerator.
Step 4.2.2.1.4.2
Factor out of .
Step 4.2.2.1.4.3
Factor out of .
Step 4.2.2.1.4.4
Cancel the common factor.
Step 4.2.2.1.4.5
Rewrite the expression.
Step 4.2.2.1.5
Combine and .
Step 4.2.2.1.6
Multiply by .
Step 4.2.2.1.7
Move the negative in front of the fraction.
Step 4.2.2.1.8
Multiply by .
Step 4.2.2.1.9
Combine and simplify the denominator.
Step 4.2.2.1.9.1
Multiply by .
Step 4.2.2.1.9.2
Raise to the power of .
Step 4.2.2.1.9.3
Raise to the power of .
Step 4.2.2.1.9.4
Use the power rule to combine exponents.
Step 4.2.2.1.9.5
Add and .
Step 4.2.2.1.9.6
Rewrite as .
Step 4.2.2.1.9.6.1
Use to rewrite as .
Step 4.2.2.1.9.6.2
Apply the power rule and multiply exponents, .
Step 4.2.2.1.9.6.3
Combine and .
Step 4.2.2.1.9.6.4
Cancel the common factor of .
Step 4.2.2.1.9.6.4.1
Cancel the common factor.
Step 4.2.2.1.9.6.4.2
Rewrite the expression.
Step 4.2.2.1.9.6.5
Evaluate the exponent.
Step 4.2.2.1.10
Cancel the common factor of and .
Step 4.2.2.1.10.1
Factor out of .
Step 4.2.2.1.10.2
Cancel the common factors.
Step 4.2.2.1.10.2.1
Factor out of .
Step 4.2.2.1.10.2.2
Cancel the common factor.
Step 4.2.2.1.10.2.3
Rewrite the expression.
Step 4.2.2.1.10.2.4
Divide by .
Step 4.2.2.1.11
Multiply by .
Step 4.2.2.2
Subtract from .
Step 4.3
Evaluate at .
Step 4.3.1
Substitute for .
Step 4.3.2
The expression contains a division by . The expression is undefined.
Undefined
Undefined
Step 4.4
List all of the points.
Step 5