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Tim Reynhout
Приєднався 20 лис 2011
A Clarification on Property 2.17 and Its Use
The language used in Property 2.17 may suggest that the converse version of the statement requires all three characteristics to show that three lines are parallel. However, only one of those three characteristics is required, and only for one pair of angles, to show that two lines are parallel. Dr Reynhout also demonstrates what it looks like to "explain thoroughly" as requested in many exercises throughout the course.
Переглядів: 9
Відео
Labeling Angles and Angle Measures
Переглядів 282 місяці тому
Notation can be confusing. Here, Dr Reynhout clarifies some notational concerns regarding the labeling of angles and reminds us of how to reference an angle and angle measure.
College Geometry - Section 21 - Concurrence Points of Triangles Part 5
Переглядів 154 місяці тому
A quick summary
College Geometry - Section 21 - Concurrence Points of Triangles Part 4
Переглядів 104 місяці тому
Altitude Concurrence Theorem and proof
College Geometry - Section 21 - Concurrence Points of Triangles Part 3
Переглядів 204 місяці тому
Angle Bisector Concurrence Theorem and proof
College Geometry - Section 21 - Concurrence Points of Triangles Part 2
Переглядів 184 місяці тому
Median and perpendicular bisector concurrence theorems
College Geometry - Section 21 - Concurrence Points of Triangles Part 1
Переглядів 164 місяці тому
A reminder of the lines of interest for a triangle.
College Geometry - Section 7 - Circles and Spheres Part 6 (Area of a Sphere)
Переглядів 314 місяці тому
College Geometry - Section 7 - Circles and Spheres Part 6 (Area of a Sphere)
College Geometry - Section 7 - Circles and Spheres Part 5 (Volume of Sphere)
Переглядів 704 місяці тому
College Geometry - Section 7 - Circles and Spheres Part 5 (Volume of Sphere)
College Geometry - Section 6 - Polyhedra Part 5 (last proof)
Переглядів 94 місяці тому
College Geometry - Section 6 - Polyhedra Part 5 (last proof)
Binomial Distribution - Complete Lecture
Переглядів 79 місяців тому
A lecture on the Binomial Distribution. Viewer may wish to review concepts of independence and counting methods (combinations) if these cause any confusion in the current presentation.
Indeterminant Forms and L'Hopitals Rule - Other Indeterminant Forms
Переглядів 219 місяців тому
Dr. Reynhout presents and example in which the limit is of an indeterminant form for which L'Hopital's rule does not apply. Assuming the limit converges*, the function is rewritten and manipulated into a form for which L'Hopital's rule does in fact apply. Three indeterminant forms are seen in this single example, L'H rule only applies to one. * The function under consideration can be differenti...
Indeterminant Forms and L'Hopital's Rule - Examples of Unnecessary and Necessary use of L'H Rule.
Переглядів 229 місяців тому
Dr Reynhout first presents and example that is of an indeterminant form in which L'H rule may be applied, but it is not necessary. After presenting the method of L'H rule, the problem is approached using algebraic methods. A second example is presented which is also of an appropriate indeterminant form to apply L'H rule, and L'H rule is necessary.
Limits - Indeterminant Forms and L'Hopitals Rule
Переглядів 279 місяців тому
Dr Reynhout presents indeterminant forms, those beyond what is typically seen when evaluating limits algebraically is initially discussed. Some determinant forms are also discussed, which may be confused with indeterminant forms. L'Hopitals Rule is presented as a method for evaluating limits of indeterminant form 0/0 or infty/infty. Applications to other types of indeterminant forms is also pre...
Inverse Trig Functions - Integration Example resulting in ArcTangent
Переглядів 279 місяців тому
Dr Reynhout presents a short example of an integral which results in the arctangent function. The method of completing the square is required for this example.
Inverse Trig Functions - Example of Comparison with Previous Techniques
Переглядів 239 місяців тому
Inverse Trig Functions - Example of Comparison with Previous Techniques
thank you this video it was really helpfull!
Sir thank you so much, i have pass this damn subject
it is amazing thank you so much
Are you here
this is amazing thank you
sir you are very handsome😄😄
This video's really quiet.
First view and first comment!
Thanks so much
Great example!
Good Job (y)
video was helpful. Love from Bangladesh.
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Is Power of set a set?
😄 Promo`SM!!!
Fantastic Video :)
great vid!
i have one doubt? how is permutation of set is different from partition of set, is there any releation . So say for {a, b , c}, i can have 3! permutation , and no of partion has to be one among those permutation sets
very nice explanation , this theory is very good to understand common interview qns like "decode ways"
Nice one thanks, Is there a formula to find the number of possible subsets for a set length n?
Fantastic question! I do not believe there is an explicit formula, but there appears to be a recursive one. The number of partitions of a set is called a Bell number, and Bell's triangle is a way of calculating Bell numbers. You may be interested in searching these topics for further discussion and explanation.
hmm... I may have read your question wrong initially (above). The number of subsets of a set is given by 2^n, which can be observed using the counting principle. There are two options for each of the n elements, include or do not include.
@@timreynhout603 For example i had this question: ' How many ways can you partition a list of 6 things?'
I did this on my ti-nspirecx with you and my sample came as 4,2. instead of 2.5 why is that?
it's a random sample, it's not going to come out to the same numbers everytime.