
Nutrición y Salud. Sistema de Ecuaciones Lineales. (Efraín Vega Landa)
Nutrition and Health. System of Linear Equations. (Efraín Vega Landa)
@cienciastv

Nutrition and Health. System of Linear Equations. (Efraín Vega Landa)

Chemical Engineering and Systems of Linear Equations (Efraín Vega Landa)

Extravagance at the Rector's Office. Secret contracts and luxuries: This is how the "Golden Caste" operates at UNAM

The hidden business at UNAM: Elite salaries vs. professors earning less than the minimum

Inverse Function: Logarithm and Exponential (Efraín Vega Landa)

Subsets of functions contained in polynomials of degree less than or equal to two. Exercise hints

Polynomials ax²+bx+c and their roots Discriminant b²-4ac and regions of 2, 1 and 0 roots in ℝ³=(a,b,c

VID 20260904 101649 971

5th element "the Interface" thin film Zn(X=S, Se) on zinc sheet c photocatalytic activity

ℝⁿ⁺¹: Space of polynomials of degree n (Efraín Vega Landa)

Polynomials in a real variable with real values of degree 0,1 and 2 Efraín Vega Landa

Limit of a sequence, of a function, and of the lower/upper sums of the Riemann/Thomae function

VID 20260826 101816 611

Force on the face of a fish tank. Hints to solve exercise

Example of Integral through the limit of lower and upper sums (Efraín Vega Landa)

Linear and affine functions ℝ→ℝ Efraín Vega Landa

Cartesian Coordinates. Coordinate Functions. (Efraín Vega Landa)

Cartesian Product, the Plane ℝ², the Line ℝ, the Plane ℝ², Space ℝ³, ... Space ℝⁿ Manifolds

VID 20260825 102043 800 CUTTING PIECE OF BLUE SCREEN

Example of a function that is not Riemann-Integrable (Efraín Vega Landa)

The infinity of real numbers is larger than that of natural numbers (Efraín Vega Landa)

Work: Integral of force with respect to displacement (Stokes' theorem with 0-forms and 1-forms)


Decimal expansion of a rational number: it is finite or infinite periodic Cardinality of Infinite Sets

Derived Relationship/Integral Fundamental Theorem of Calculus (Stokes 0 & 1 differential forms in ℝ)

√2 is not rational, Decimal expansion of real numbers (Efraín Vega Landa)

Fundamental Theorem of Calculus (Efraín Vega Landa)


Natural, Integer, Rational, Irrational, and Real Numbers (Efraín Vega Landa)

Motion in a Straight Line: 1.- Constant velocity 2.- Constant acceleration (Efraín Vega)




Differential Forms and Curvature (Efraín Vega Landa)

On the Admission Exam and the Crisis at UNAM Interview @LucesdelSigloMultimedio

UNAM corruption documented for decades: Frauds covered up by authorities, media, and journalists

The Michelson-Morley Experiment (The Mechanical Universe 41)

The Law of Falling Bodies (The Mechanical Universe 2)

Lorentz Transformation (The Mechanical Universe 42)

Gravity, Electricity, and Magnetism (The Mechanical Universe 11)