CIE A Level Maths: Pure 1复习笔记6.1.1 Fundamental Theorem of Calculus
Fundamental Theorem of Calculus
What is the fundamental theorem of calculus?
- The Fundamental Theorem of Calculus states that integration is the inverse process of differentiation
- This form of the Theorem relates to Indefinite Integration
- An alternative version of the Fundamental Theorem of Calculus involves Definite Integration
What is “+c” (plus c)?
- When differentiating y, constant terms ‘disappear’
-
To acknowledge this constant, “+ c” is used- c is called the constant of integration
Notation
If it has more than one term the function to be integrated (called the integrand) should be in brackets
- “Integrate” -– “all of (…)” -– “with respect to x”
- dx means integrate with respect to x, any other letter is treated like a number (ie like a constant)
Worked Example
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