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Catalyst University
Quantum Mechanics | Commutation of Operators [Example #2]
In this video, I do one example for determining whether or not two quantum operators commute [position & momentum (x-dir)]. Previous example (Example #1): https://youtu.be/tCd2U-ACr9o
Brian McLogan
Find the equation of a line that is parallel and goes through a point
👉 Learn how to write the equation of a line that is parallel to a given line. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms...
Brian McLogan
How to solve a multi step equation with rational terms - (b-4)/6 = b/2
👉 Learn how to solve multi-step equations with variable on both sides of the equation. An equation is a statement stating that two values are equal. A multi-step equation is an equation which can be solved by applying multiple steps of...
Brian McLogan
Summary for determining the slope between two points
👉 Learn all about the slope of a line. The slope of a line is the steepness of the line. The horizontal line has a zero slope while the vertical line has an undefined slope. To determine the slope of a line, we need to know the...
Brian McLogan
Solving a linear equation with fractions in two different ways two step equation
👉 Learn how to solve two step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two step linear equation, we first isolate the variable by using inverse...
KnowMo
Subtracting Fractions: How to Make Denominators the Same
This video is a lesson on how to subtract fractions. The instructor explains that subtracting fractions is similar to adding fractions and emphasizes the importance of having the same denominator. The video provides examples of...
KnowMo
Using Iterative Formulae to Approximate Equations
This video is a tutorial on using iterative formulae to find approximate solutions to difficult equations. The speaker explains the concept of numerical methods and the use of trial and improvement in solving equations. They then...
Curated Video
Negative and Fractional Powers Explained
In this video, the instructor provides a lecture on negative and fractional powers, explaining how negative powers can be written as fractions and how fractional powers involve roots. The instructor demonstrates how to use the laws of...
Curated Video
Factorizing Quadratics: Simple Cases
This is a tutorial on how to factorize simple quadratics. They define quadratic equations as equations or expressions where the highest power of the variable is 2, and explain that factorizing is the reverse of expanding the brackets....
Curated Video
Learn and Master C Programming - Pointer Arithmetic: Working with Integer Pointers
We will learn about pointer arithmetic and how we can increment or decrement pointers in C/C++ and understand what that really means. This clip is from the chapter "Pointers" of the series "Learn and Master C Programming For Absolute...
Curated Video
GCSE Secondary Maths Age 13-17 - Graphs: Perpendicular Lines - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Curated Video
KS2 Primary Maths Age 13-17 - Geometry: Coordinates - Explained
SchoolOnline's Primary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 9-13, they cover every key topic and sub topic covered in Maths in clear and easy to follow steps. This video looks at...
Brian McLogan
Learn to write the rule of a sequence with alternating signs
👉 Learn how to write the rule of a sequence given a sequence of numbers. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. To write the explicit formula of...
Brian McLogan
Learning how to expand a logarithmic expression to 4th root
👉 Learn how to expand logarithmic expressions involving radicals. A logarithmic expression is an expression having logarithms in it. To expand logarithmic expressions means to use the logarithm laws to expand (open up) logarithm...
Brian McLogan
Learn to condense logarithmic expressions to one single logarithm
👉 Learn how to condense logarithmic expressions. A logarithmic expression is an expression having logarithms in it. To condense logarithmic expressions means to use the logarithm laws to reduce logarithm expressions from the expanded...
Brian McLogan
Learn how to condense a logarithmic expression with multiple logs
👉 Learn how to condense logarithmic expressions. A logarithmic expression is an expression having logarithms in it. To condense logarithmic expressions means to use the logarithm laws to reduce logarithm expressions from the expanded...
Brian McLogan
Finding the value of a term in a geometric sequence
👉 Learn how to find the nth term of a geometric sequence. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. A geometric sequence is a sequence in which...
Brian McLogan
Learn how to write the equation of the Parabola given the focus and directrix
Learn how to write the equation of a parabola given the focus and the directrix. A parabola is the shape of the graph of a quadratic equation. A parabola can open up or down (if x is squared) or open left or right (if y is squared)....
Brian McLogan
how to graph and identify the foci, asymptotes, center, vertices of a hyperbola
Learn how to graph hyperbolas. To graph a hyperbola from the equation, we first express the equation in the standard form, that is in the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2 - (x - h)^2...
Brian McLogan
Factoring a polynomial to the fourth power using factoring to second power
👉 In this polynomial, I will show you how to factor different types of polynomials. Such as polynomials with two, three, and four terms in addition to polynomials to the second third, fourth, fifth, and sixth power.
Curated Video
Apache Maven Beginner to Guru - Skipping the Unit and Integration Tests in Maven
This video explains how to skip the unit and integration tests in Maven. This clip is from the chapter "Testing with Maven" of the series "Apache Maven: Beginner to Guru".This section explains how to test builds with Maven.
Brian McLogan
Using half angles to solve trigonometric equations
👉 Learn how to solve equations using half-angle identities. To do this we will replace every trig function with half angles using the identity. Then we will simplify and solve trigonometric functions. To find the values we will use the...
Brian McLogan
How to solve a equation using difference of two angles
👉 Learn how to evaluate the cosine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Brian McLogan
Evaluate using the difference formula of two angles sine
👉 Learn all about sum and difference angle identities. In this video playlist, you will learn how to evaluate, solve, simplify and verify using sum and difference angle identities. We will evaluate using angles not found on the unit...