Differentiate the following w.r.t. x:
`cos(logx+e^x), x<0`

Explanation

To differentiate the function \( y = \cos(\log x + e^x) \) with respect to \( x \), we will follow these steps:

### Step 1: Identify the function
The function we need to differentiate is:
\[ y = \cos(\log x + e^x) \]

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