Algebra
Absolute value
Absolute value The best way to try to understand the absolute-value is to look at the number line.If we take any number on the number line, its distance from zero is its absolute value. The […]
Calculus
The Definite Integral
The Definite Integral After an extensive study of integration techniques, we are now ready to use the antiderivatives in practical situations. The definite integral is used to calculate areas, lengths, volumes and other complicated things […]
Algebra
Radical Expressions and Exponential Notations
Radical Expressions and Exponential Notations Exponential notations help us express long expressions into shorthand notations. For example if we have we can see that we are multiplying 5 by itself 6 times. This is easy […]
Algèbre
Selections
Selections Un échantillon des types d’exercices que nous entendons résoudre, pour montrer comment des simples problèmes peuvent paraître difficiles. Problème 1: Résoudre en
Geometry
CIRCLES IN ORBITS
CIRCLES IN ORBITS The length of segment is . The circles are in an orbit. Looking at the figure above, the circle is in orbit 1, circle is in orbit 2 and circle is in […]
Algebra
Solved Problems
Solved Problems A stranger asked about his age replied : If I have to reach 100 years, the half of the of the of my age is 12 years more than the of the of […]
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