# How do you differentiate #ln(x-y)e^(x-y)=0#?

##### 1 Answer

Jan 12, 2017

The only possible solution is:

#### Explanation:

As the exponential function is never null:

Thus we can make

and:

Jan 12, 2017

The only possible solution is:

As the exponential function is never null:

Thus we can make

and:

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