Paper 1 · Integration
⏱ Tested in 1 exam question since 2024
Lesson 13 of 13
Integration 13 – Area between a curve and the y-axis
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- Find the area between a curve and the y-axis using ∫f(y) dy with y-limits
- Find the integration limits by setting x = 0 to get the y-intercepts
- Sketch sideways curves like x = 16 − y², testing a point to see which way they bulge
- Take the absolute value when the region lies left of the y-axis
Most recent exam questions
- 2024 Paper 1 Q10(c)(i) — area between curves via integration; using symmetry to halve the work
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