| Exam Board | OCR MEI |
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| Module | C3 (Core Mathematics 3) |
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| Year | 2011 |
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| Session | June |
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| Topic | Product & Quotient Rules |
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5 Given that \(y = x ^ { 2 } \sqrt { 1 + 4 x }\), show that \(\frac { \mathrm { d } y } { \mathrm {~d} x } = \frac { 2 x ( 5 x + 1 ) } { \sqrt { 1 + 4 x } }\).