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# Unit 11: Applications of definite integrals

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## About this unit

Definite integrals are all about the accumulation of quantities. Let's see how they are applied in order to solve various kinds of problems.

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### Practice

- Interpreting definite integrals in contextGet 3 of 4 questions to level up!
- Analyzing problems involving definite integralsGet 3 of 4 questions to level up!
- Accumulation of changeGet 3 of 4 questions to level up!
- Problems involving definite integrals (algebraic)Get 3 of 4 questions to level up!

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- Analyzing motion problems (integral calculus)Get 3 of 4 questions to level up!
- Motion problems (with integrals)Get 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

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- Area between a curve and the x-axisGet 3 of 4 questions to level up!
- Area between two curves given end pointsGet 3 of 4 questions to level up!
- Area between two curvesGet 3 of 4 questions to level up!

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- Horizontal areas between curvesGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 320 Mastery points

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- Disc method: revolving around x- or y-axisGet 3 of 4 questions to level up!

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- Washer method: revolving around x- or y-axisGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

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- Shell methodGet 3 of 4 questions to level up!

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Level up on all the skills in this unit and collect up to 1,400 Mastery points!