Differentiate w.r.t x using quotient rule .
`(ax^(2)+bx+c)//(px^(2)+qx+c)`

Explanation

To differentiate the function \( y = \frac{ax^2 + bx + c}{px^2 + qx + c} \) with respect to \( x \) using the quotient rule, we will follow these steps:

### Step 1: Identify the functions \( u \) and \( v \)
Let:
- \( u = ax^2 + bx + c \)
- \( v = px^2 + qx + c \)

### Step 2: Differentiate \( u \) and \( v \)
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