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# Solve the logarithmic equation $\log \left(x-1\right)+\log \left(x+1\right)=2\log \left(x+2\right)$

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n
u
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x
y
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.
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+
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e
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log
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lim
d/dx
Dx
|◻|
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=
>
<
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sin
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tan
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asin
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###  Main Topic: Differential Calculus

The derivative of a function of a real variable measures the sensitivity to change of a quantity (a function value or dependent variable) which is determined by another quantity (the independent variable). Derivatives are a fundamental tool of calculus.