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1.11 H: Integration

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Question 351

The altitude H H\,H of a research drone, measured in kilometres, is modelled by the curve C C\,C with equation H=f(t)H = f(t)H=f(t) for t>0t > 0t>0, where t t\,t is the time in hours since it reached a specific tracking station.

Given that

  • f′(t)=4t−(t−4)(3t+2)4tf'(t) = 4t - \dfrac{(t - 4)(3t + 2)}{4\sqrt{t}}f′(t)=4t−4t​(t−4)(3t+2)​
  • the point P(4,10)P(4, 10)P(4,10) lies on CCC
a.

find the equation of the normal to C C\,C at PPP, giving your answer in the form H=mt+cH = mt + cH=mt+c where m m\,m and c c\,c are constants to be found.

[4]
b.

find f(t)f(t)f(t), giving each term in simplest form.

[6]

1.11 H: Integration Questions

  1. A Level
  2. /Maths
  3. /1.11 H: Integration

Practise AQA A Level Maths 1.11 H: Integration with exam-style questions for A Level Maths. 436 questions covering 1.11.1 Fundamental Theorem of Calculus, 1.11.2 Integrating standard functions, 1.11.3 Definite integrals and areas, 1.11.4 Integration as the limit of a sum (A-level only), 1.11.5 Integration by substitution and by parts (A-level only), 1.11.6 Integration using partial fractions (A-level only), 1.11.7 Differential equations with separable variables (A-level only), and 1.11.8 Interpreting solutions of differential equations (A-level only), matched to the AQA A Level Maths (7357) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

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