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Integrals

CBSE · Class 12 · Mathematics

Quick revision notes for Integrals — CBSE Class 12 Mathematics. Key concepts, formulas, and definitions for last-minute revision.

49 questions22 flashcards5 concepts

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A flowchart illustrating the inverse relationship between differentiation and integration, showing how differentiating a function leads to another function, and integrating that function (with a const
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Key Topics to Revise

1

Introduction to Integration

  • Integration is the inverse process of differentiation
  • If F'(x) = f(x), then ∫f(x)dx = F(x) + C
  • Anti-derivative or primitive of a function f is a function F such that F'(x) = f(x)
2

Standard Integral Formulas

  • Power rule: ∫xⁿ dx = xⁿ⁺¹/(n+1) + C (n ≠ -1)
  • Exponential functions: ∫eˣ dx = eˣ + C
  • Logarithmic function: ∫(1/x) dx = log|x| + C
3

Properties of Indefinite Integrals

  • Linearity: ∫[f(x) + g(x)]dx = ∫f(x)dx + ∫g(x)dx
  • Scalar multiplication: ∫k·f(x)dx = k∫f(x)dx
  • Differentiation and integration are inverse processes
4

Integration by Substitution

  • Used when integrand contains a function and its derivative
  • Change of variable: x = g(t), dx = g'(t)dt
  • ∫f(x)dx = ∫f(g(t))·g'(t)dt after substitution

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Full Notes

Key Concepts

If F'(x) = f(x)Key formulas includeLinear propertiesWhen direct integration is difficultFor rational functions P(x)/Q(x) where degree

Frequently Asked Questions

What are the important topics in Integrals for CBSE Class 12 Mathematics?
Integrals covers several key topics that are frequently asked in CBSE Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Integrals — CBSE Class 12 Mathematics?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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