| Exam Board | OCR |
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| Module | C3 (Core Mathematics 3) |
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| Topic | Product & Quotient Rules |
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1.
$$f ( x ) = \frac { 4 x - 1 } { 2 x + 1 }$$
Find an equation for the tangent to the curve \(y = \mathrm { f } ( x )\) at the point where \(x = - 2\), giving your answer in the form \(a x + b y + c = 0\), where \(a , b\) and \(c\) are integers.