Further Mathematics · AQA 7367 · Topic E

Further calculus

Improper integrals, volumes of revolution, mean values, inverse trigonometric functions, arc length, surface area and reduction formulae.

  • 9 sub-topics
  • 2 in Year 12, 7 in Year 13
  • 151 practice questions
  • 9 animated lessons

What the specification says

Every sub-topic AQA can examine in this topic, with its reference number from the official specification. The Y12 and Y13 tags show when each sub-topic is usually taught.

  1. E1Improper integralsY13
  2. E2Derive and use formulae for volumes of revolutionY12
  3. E3Mean value of a functionY12
  4. E4Integrate using partial fractions, including quadratic factorsY13
  5. E5Differentiate inverse trigonometric functionsY13
  6. E6Integrals leading to inverse trigonometric functionsY13
  7. E7Arc length and area of surface of revolution, Cartesian and parametricY13
  8. E8Derive and use reduction formulaeY13
  9. E9Limits of xᵏeˣ and xᵏ ln x for improper integralsY13

Try 3 questions

Easy, medium and hard questions from this topic, each with a worked solutions and the mark for every step. All 151 questions in this topic, free, no account needed.

Further calculus

Easy

Volume of revolution · Year 12 · 3 marks

  1. The region under y=x2y = x^2 for 0≤x≤20 \le x \le 2 is rotated through 2π2\pi about the xx-axis. Find the exact volume.
    (3)
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  1. Volume about the xx-axis is π∫y2 dx\pi\int y^2\,\mathrm{d}x, and y2=x4y^2 = x^4.V=π∫02x4 dxV = \pi\int_0^2 x^4\,\mathrm{d}x
  2. Integrate.=π[x55]02= \pi\left[\dfrac{x^5}{5}\right]_0^2
  3. =32π5= \dfrac{32\pi}{5}

Total3

  • MMethod mark: for a correct method, even with a slip.
  • AAccuracy mark: for a correct answer from a correct method.
  • BIndependent mark: for a correct fact or result on its own, with no method needed.
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Further calculus

Not needed for Year 12Medium

An integral giving π · Year 13 · 2 marks

  1. Evaluate ∫0111+x2 dx\displaystyle\int_0^1 \frac{1}{1 + x^2}\,\mathrm{d}x.
    (2)
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  1. 11+x2\dfrac{1}{1 + x^2} integrates to arctan⁡x\arctan x.[arctan⁡x]01\bigl[\arctan x\bigr]_0^1
  2. arctan⁡1=π4\arctan 1 = \tfrac{\pi}{4} and arctan⁡0=0\arctan 0 = 0.=π4= \dfrac{\pi}{4}

Total2

  • MMethod mark: for a correct method, even with a slip.
  • AAccuracy mark: for a correct answer from a correct method.
  • BIndependent mark: for a correct fact or result on its own, with no method needed.
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Further calculus

Not needed for Year 12Hard

An inverse sine integral · Year 13 · 3 marks

  1. Evaluate exactly ∫03/219−x2 dx\displaystyle\int_0^{3/2} \frac{1}{\sqrt{9 - x^2}}\,\mathrm{d}x.
    (3)
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  1. ∫1a2−x2 dx\int \dfrac{1}{\sqrt{a^2 - x^2}}\,\mathrm{d}x=arcsin⁡xa{}= \arcsin\dfrac{x}{a}, with a=3a = 3.[arcsin⁡x3]03/2\left[\arcsin\dfrac{x}{3}\right]_0^{3/2}
  2. =arcsin⁡12= \arcsin\tfrac{1}{2}=π6{}= \dfrac{\pi}{6}

Total3

  • MMethod mark: for a correct method, even with a slip.
  • AAccuracy mark: for a correct answer from a correct method.
  • BIndependent mark: for a correct fact or result on its own, with no method needed.
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