MATHEMATICS S6 UNIT 4: INTEGRATION.

About Course

In calculus, the term “primitive” is an older, but still perfectly valid, synonym for antiderivative or indefinite integral.

So, when someone talks about finding the “primitive” of a function, they are asking you to perform the operation of integration to find a function whose derivative is the given function.

Let’s break down the concept using the more common modern terminology:

 

What is a Primitive (Antiderivative / Indefinite Integral)?

Given a function , a function is called a primitive (or antiderivative) of if the derivative of is .

In mathematical notation: If , then is a primitive of

The Constant of Integration ()

Here’s a crucial point: if is a primitive of , then is also a primitive of , where is any arbitrary real number constant. This is because the derivative of any constant is zero.

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What Will You Learn?

  • Define the antiderivative and the indefinite integral of a function,
  • Interpret the indefinite integral geometrically,
  • Determine the formulas for the derivatives and those for the immediate antiderivatives of a function
  • Define the definite integral and give its geometric meaning
  • Give the different methods of integration
  • Evaluate the indefinite integral and the definite integral of a function
  • Use definite integrals to calculate the area of a surface and the volume of a body of revolution
  • Solve simple ordinary differential equations
  • List some applications of integrals in other fields: administration, physics, biology, ecology, etc.

Course Content

Primitives.

  • Concepts
  • Definition.
  • Properties.
  • Rules of Calculations.
  • Geometric Interpretation of the Indefinite Integral.
  • Immediate Indefinite Integrals.

Definite Integrals.

Method of Integration.

Simple Improper Integrals.

Application of Integrals.

Solved passed Questions picked from Passed Papers (Year 1990 – 2024).

Final Exam.

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