`lim_(xrarr0) (sinax+bx)/(ax+si nbx),a,b,a+bne0`

Explanation

To solve the limit \( \lim_{x \to 0} \frac{\sin(ax) + bx}{ax + \sin(bx)} \), we can follow these steps:

### Step 1: Substitute \( x \) in the limit
We start with the expression:
\[ \lim_{x \to 0} \frac{\sin(ax) + bx}{ax + \sin(bx)} \]

...