Edexcel C1 2017 June — Question 2

Exam BoardEdexcel
ModuleC1 (Core Mathematics 1)
Year2017
SessionJune
TopicDifferentiation Applications
TypeFind derivative of polynomial
2. Given $$y = \sqrt { x } + \frac { 4 } { \sqrt { x } } + 4 , \quad x > 0$$ find the value of \(\frac { \mathrm { d } y } { \mathrm {~d} x }\) when \(x = 8\), writing your answer in the form \(a \sqrt { 2 }\), where \(a\) is a rational number.
(5)
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