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Question 412

The curve C has the parametric equations

x=ln⁡(t+3)y=1t+2t>−2 x = \ln(t+3) \quad y = \frac{1}{t+2} \quad t > -2 x=ln(t+3)y=t+21​t>−2

First-quadrant axes show a decreasing curve with vertical boundaries at x = ln 3 and x = ln 5, and diagonal shading beneath the curve between them.

The finite region R between by the curve C and the x x\,x axis is bounded by the the lines with equations x=ln⁡3x = \ln 3x=ln3 and x=ln⁡5x = \ln 5x=ln5

Find an exact value for this area

[10]
Markscheme

Integration Questions

  1. A Level
  2. /Maths
  3. /Integration

864 exam-style questions on Edexcel A Level Maths Integration, covering 11.1 Integrating Standard Functions, 11.2 Integrating f(ax + b), 11.3 Using Trigonometric Identities, 11.4 Reverse Chain Rule, 11.5 Integration by Substitution, 11.6 Integration by Parts, 11.7 Partial Fractions, 11.8 Finding Areas, 11.9 The Trapezium Rule, 11.10 Solving Differential Equations, and 11.11 Modelling with Differential Equations. Each one has a worked solution and a mark scheme showing where the marks go.

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