# How do you differentiate #f(x)=ln (x^2+1)^(1/2)#?

Forget it, this was way too complicated.

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To differentiate f(x) = ln((x^2 + 1)^(1/2)), use the chain rule. The derivative is: (1 / ((x^2 + 1)^(1/2))) * (2x / (2(x^2 + 1))).

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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