# MATHEMATICS EXERCICES

### Logarithms Theory

Logarithms   Definition of Logarithms: Be a positive real number non-zero and different to 1, and A another positive and non-zero number. It is called the logarithm of the number A in the base a, […]

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### Fractions theory

Fractions   Definition of Fractions A fraction is the quotient of two integers a and b, which is represented as follows: b -> denominator, indicates the number of parties that has been split the unit. […]

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### Matrices operations theory

Matrices additions and subtractions theory   The sum of two Matrices (Aij), (Bij) of the same dimension, is another matrix (Rij) of the same dimension and with generic term sij=aij+bij.   Therefore, to be able […]

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### Calculate the Inverse of a Matrix II

Inverse of a Matrix theory   Inverse of a Matrix Definition method. If the product between two matrices is the identity matrix, then we say that the matrices are “inverse”; because by multiplying them we […]

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### Theory about Scientific Notation

Scientific Notation   Scientific Notation helps us to express in an easier way those numerical quantities that are too large or, conversely, too small. It is also known as Exponential Notation and it can be […]

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### Powers theory

Powers   Multiplication of Powers with the same base, add exponents   Division of powers with the same base, subtract the exponents   Power of a power, it’s the same base and multiplied the exponents […]

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### System of Equations theory II

System of Equations   This theory about System of Equations is the continue of the previous post “System of Linear Equations theory”   Gauss method: Gauss method is to transform the given system into an […]

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### System of Linear Equations theory

System of Linear Equations Theory: First Degree   The simplest method for solving a System of Linear Equations is to repeatedly eliminate variables.   Steps to take: 1. In the first equation, solve the equation […]

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### How to solve an Equation II

Theory of Equations of First Degree   This theory about Equations is the continue of the previous post “How to solve an equation”   Theory of Biquadrate Equations.   To solve a biquadrate equation follow […]

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### How to solve an Equation

Theory of Equation of First Degree   To solve an Equation of First Degree follow these steps:   If there are parentheses and/or brackets, they are resolved with the necessary operation.   If there denominators, […]

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