This document section discusses calculating limits using limit laws and practical techniques like direct substitution, factorization and cancellation, rationalization, and simplification. It provides examples of using these techniques to find one-sided limits and limits of piecewise functions. The section also introduces the Squeeze Theorem, which can be used to find limits of special functions by sandwiching them between two other functions with the same limit.
Whenever we have variables which contain exponents and have equal bases, we can do certain mathematical operations to them. Those operations are called the “Laws of Exponents”
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Whenever we have variables which contain exponents and have equal bases, we can do certain mathematical operations to them. Those operations are called the “Laws of Exponents”
Introduction to basic differential calculus for algebra students familiar with the concept of the slope of a line. See my blog at http://roundyeducationblog.blogspot.com/2015_11_01_archive.html
This is the version of my 3D math talk that I used at CocoaConf Atlanta. This version includes the graphic representations of the different steps in implementing the shader.
After watching this ppt you will get answers of the questions like...
1) What does it mean?
2) What we study in calculus?
3) Who invented it?
4) What was the need to invent it?
and many more...
You will also learn about the basic difference between discrete and continuous.
And many real life and cool applications of calculus....
After watching this ppt you will get answers of the questions like...
1) What does it mean?
2) What we study in calculus?
3) Who invented it?
4) What was the need to invent it?
and many more...
You will also learn about the basic difference between discrete and continuous.
And many real life and cool applications of calculus....
Mat 121-Limits education tutorial 22 I.pdfyavig57063
limitsExample: A function C=f(d) gives the number of classes
C, a student takes in a day, d of the week. What does
f(Monday)=4 mean?
Solution. From f(Monday)=4, we see that the input day
is Monday while the output value, number of courses is
4. Thus, the student takes 4 classes on Mondays.Function: is a rule which assigns an element in
the domain to an element in the range in such a
way that each element in the domain
corresponds to exactly one element in the range.
The notation f(x) read “f of x” or “f at x” means
function of x while the notion y=f(x) means y is a
function of x. The letter x represents the input
value, or independent variable
This is meant for university students taking either information technology or engineering courses, this course of differentiation, Integration and limits helps you to develop your problem solving skills and other benefits that come along with it.
Ethnobotany and Ethnopharmacology:
Ethnobotany in herbal drug evaluation,
Impact of Ethnobotany in traditional medicine,
New development in herbals,
Bio-prospecting tools for drug discovery,
Role of Ethnopharmacology in drug evaluation,
Reverse Pharmacology.
Model Attribute Check Company Auto PropertyCeline George
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The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
2024.06.01 Introducing a competency framework for languag learning materials ...
3 handouts section2-3
1. Section 2.3 Calculating limits using the limit laws
Learning outcomes
After completing this section, you will inshaAllah be able to
1. use basic laws of limits to compute limits
2. compute limits using some practical methods
a. direct substitution
b. factorization and cancellation
c. rationalization
d. simplification
3. use above methods to compute one-sided limits and limits of piece-wise
functions
4. use Squeeze theorem to find limits of special type of functions
12.3
2. Basic limit laws for computing limits
1) lim
x a
c c
→
= .
2) lim ( ) ( ) lim ( ) lim ( )
x a x a x a
f x g x f x g x
→ → →
⎡ ⎤⎣ ⎦± = ±
3) lim ( ) ( ) lim ( ) lim ( )
x a x a x a
f x g x f x g x
→ → →
⎡ ⎤⎣ ⎦⋅ = ⋅
4) lim ( ) lim ( )
x a x a
c f x c f x
→ →
⋅ = ⋅
5)
lim ( )( )
lim
( ) lim ( )
x a
x a
x a
f xf x
g x g x
→
→
→
= if lim ( ) 0
x a
g x
→
≠
6) [ ]( ) lim ( )lim
n
n
x ax a
f x f x
→→
⎡ ⎤
⎣ ⎦
= : positive integern
7) lim ( ) lim ( )n n
x a x a
f x f x
→ →
= : positive integern
22.3
We will keep these laws in mind but, to compute limits, we
will mainly use the practical ways explained below
Obviously these laws are
valid when the limits of all
the functions involved exist.
See example 1 done in class
3. Practical techniques of computing finite limits
32.3
Direct Substitution
Factorization & Cancellation
Rationalization
Simplification
• What happens if we try direct substitution for
3
1
1
lim
1x
x
x→
−
−
.
• We get
0
0
⎛ ⎞
⎜ ⎟
⎝ ⎠
form
• In such situations try one of the following
See example 2 done in class
See examples 3, 4 done in class
See example 5 done in class
Hint
Radical sign & (0/0) form
See examples 6, 7 done in class
Recall from Section 2.2
If direct substitution gives
0
k⎛ ⎞
⎜ ⎟
⎝ ⎠
form (with 0k ≠ )
then we get infinite limits.
Combination of above
techniques
See example 8 done in class
4. Computing one-sided limits and limits of piece-wise functions
• Above techniques of limits are also valid for calculating one-sided
limits
• Hence, can also be used to find limits of piece-wise functions
See Examples 9, 10, 11
done in class
42.3
Recall the following needed in examples
• The greatest integer function is
defined as
largest integerx x= ≤
• For example
o 2.4 2=
o 2 2=
o 1.9 1=
5. The Squeeze Theorem (a tool for finding limits in special situations)
Look at 2
0
1
lim cos
x
x
x→
⎛ ⎞
⎜ ⎟
⎝ ⎠
• Graph of 2 1
( ) cosf x x
x
⎛ ⎞
= ⎜ ⎟
⎝ ⎠
• Squeezing of 2 1
( ) cosf x x
x
⎛ ⎞
= ⎜ ⎟
⎝ ⎠
between 2
( )g x x= − and 2
( )h x x= .
52.3
• As 0x → we see that
( ) 0h x → and ( ) 0g x → .
• Since (from graph) ( )f x is
squeezed between ( )h x and
( )g x we must have
( ) 0f x → as 0x → .
Graphical explanation
6. The Squeeze Theorem (a tool for finding limits in special situations)
End of 2.3.
This an important section so try to absorb the material by solving more problems.
62.3
How to apply it to solve questions?
Squeeze Theorem
If
( ) ( ) ( )g x f x h x≤ ≤ (1)
and
lim ( ) lim ( )
x a x a
g x h x L
→ →
= = (2)
then
lim ( )
x a
f x L
→
=
Also called
Sandwich Theorem
Main step needed for calculations
• Finding the appropriate Sandwiching
Functions satisfying (1) & (2).
• We learn it by doing examples.
See examples 12, 13 done in class