Calculus Examples

Solve for x natural log of x^2=4
Step 1
Write in exponential form.
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Step 1.1
For logarithmic equations, is equivalent to such that , , and . In this case, , , and .
Step 1.2
Substitute the values of , , and into the equation .
Step 2
Solve for .
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Step 2.1
Rewrite the equation as .
Step 2.2
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 2.3
Simplify .
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Step 2.3.1
Rewrite as .
Step 2.3.2
Pull terms out from under the radical, assuming positive real numbers.
Step 2.4
The complete solution is the result of both the positive and negative portions of the solution.
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Step 2.4.1
First, use the positive value of the to find the first solution.
Step 2.4.2
Next, use the negative value of the to find the second solution.
Step 2.4.3
The complete solution is the result of both the positive and negative portions of the solution.
Step 3
The result can be shown in multiple forms.
Exact Form:
Decimal Form: