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Week 1 Review of the basics 1. Differentiation 2. Integration

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Presentation on theme: "Week 1 Review of the basics 1. Differentiation 2. Integration"— Presentation transcript:

1 Week 1 Review of the basics 1. Differentiation 2. Integration
3. Sketching of graphs of functions

2 1. Differentiation The formulae you are supposed to remember at all times:

3 Example 1: Find the following derivatives:

4 2. Integration The formulae you are supposed to remember at all times: How to make a substitution x = u(t):

5 Integration by parts: or, which is the same thing,

6 Example 2: Find the following integrals: Example 3: Calculate

7 Useful formulae:

8 A quick review of partial fractions:
Consider where P1 and P2 are polynomials in x, and the degree of P1 is strictly smaller than that of P2. Assume also that P2 is factorised. Then...

9 (unrepeated linear factor)
(unrepeated irreducible quadratic factor) (repeated irreducible quadratic factor)

10 Example 4: two linear factors
Find

11 Example 5: a repeated linear factor
Find

12 Example 6: an irreducible quadratic
Find

13 Example 7: an improper fraction
Find Solution: Observe that the highest degree of x in the numerator is less than that of the denominator. Such fractions are called improper. To solve the problem, rearrange the integrand using long division and use partial fractions on the remainder. quotient denominator numerator remainder

14 Now, remainder quotient


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