![]() ![]() ![]() We know how to differentiate ln(x) (the answer is 1/x).We know how to differentiate x 2(the answer is 2x).The chain rule is useful for finding the derivative of an expression which could have been differentiated had it been in x, but it is in the form of another expression which could also be differentiated if it stood on its own. ![]() Finding the derivative of ln(x 2) using the chain rule The second method is by using the properties of logs to write ln(x 2) into a form which differentiable without needing to use the chain rule. The first method is by using the chain rule for derivatives. There are two methods that can be used for calculating the derivative of ln(x 2). Here are our posts dealing with how to differentiate ln 2(x) and how to differentiate ln(2x) Note that in this post we will be looking at differentiating ln(x 2) which is not the same as differentiating ln 2(x) or ln(2x). ![]()
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