| Exam Board | OCR MEI |
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| Module | C3 (Core Mathematics 3) |
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| Topic | Chain Rule |
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3 Given that \(y = \ln \left( \sqrt { \frac { 2 x - 1 } { 2 x + 1 } } \right)\), show that \(\frac { \mathrm { d } y } { \mathrm {~d} x } = \frac { 1 } { 2 x - 1 } - \frac { 1 } { 2 x + 1 }\).