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Calculus Examples
Step 1
Write as an equation.
Step 2
Interchange the variables.
Step 3
Step 3.1
Rewrite the equation as .
Step 3.2
Take the natural logarithm of both sides of the equation to remove the variable from the exponent.
Step 3.3
Expand the left side.
Step 3.3.1
Expand by moving outside the logarithm.
Step 3.3.2
The natural logarithm of is .
Step 3.3.3
Multiply by .
Step 3.4
Add to both sides of the equation.
Step 3.5
Divide each term in by and simplify.
Step 3.5.1
Divide each term in by .
Step 3.5.2
Simplify the left side.
Step 3.5.2.1
Cancel the common factor of .
Step 3.5.2.1.1
Cancel the common factor.
Step 3.5.2.1.2
Divide by .
Step 4
Replace with to show the final answer.
Step 5
Step 5.1
To verify the inverse, check if and .
Step 5.2
Evaluate .
Step 5.2.1
Set up the composite result function.
Step 5.2.2
Evaluate by substituting in the value of into .
Step 5.2.3
Combine the numerators over the common denominator.
Step 5.2.4
Simplify each term.
Step 5.2.4.1
Use logarithm rules to move out of the exponent.
Step 5.2.4.2
The natural logarithm of is .
Step 5.2.4.3
Multiply by .
Step 5.2.5
Simplify terms.
Step 5.2.5.1
Combine the opposite terms in .
Step 5.2.5.1.1
Add and .
Step 5.2.5.1.2
Add and .
Step 5.2.5.2
Cancel the common factor of .
Step 5.2.5.2.1
Cancel the common factor.
Step 5.2.5.2.2
Divide by .
Step 5.3
Evaluate .
Step 5.3.1
Set up the composite result function.
Step 5.3.2
Evaluate by substituting in the value of into .
Step 5.3.3
Simplify each term.
Step 5.3.3.1
Simplify each term.
Step 5.3.3.1.1
Rewrite as .
Step 5.3.3.1.2
Simplify by moving inside the logarithm.
Step 5.3.3.2
Apply the distributive property.
Step 5.3.3.3
Simplify by moving inside the logarithm.
Step 5.3.3.4
Cancel the common factor of .
Step 5.3.3.4.1
Cancel the common factor.
Step 5.3.3.4.2
Rewrite the expression.
Step 5.3.3.5
Simplify each term.
Step 5.3.3.5.1
Multiply the exponents in .
Step 5.3.3.5.1.1
Apply the power rule and multiply exponents, .
Step 5.3.3.5.1.2
Cancel the common factor of .
Step 5.3.3.5.1.2.1
Cancel the common factor.
Step 5.3.3.5.1.2.2
Rewrite the expression.
Step 5.3.3.5.2
Simplify.
Step 5.3.4
Combine the opposite terms in .
Step 5.3.4.1
Subtract from .
Step 5.3.4.2
Add and .
Step 5.3.5
Exponentiation and log are inverse functions.
Step 5.4
Since and , then is the inverse of .