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Newton's Binonium

Introduction From the remarkable products, we know that: (a + b) ² = a² + 2ab + b². If we want to calculate (a + b) ³, we can write: (a + b) 3 = a 3 + 3a 2 b + 3ab 2 + b 3 If we want to calculate, we can do the same: (a + b) 4 = ( a + b) 3 (a + b) = (a 3 + 3a 2 b + 3ab 2 + b 3) (a + b) = a 4 + 4a 3 b + 6a 2 b 2 + 4ab 3 + b 4 So Similarly, we can calculate the fifth and sixth powers and, in general, obtain the development of the power from the previous one, ie from.
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Drawing

Let's stop buzzing Start talking about parallels With squares, dash angles And with the compass, I make triangles. I know even a mediatrix But I'm still an apprentice Geometric figures are everywhere With a square or a circle I can show you We learn plan, point and line Edmilson showed us in a little house As you can see Subjects we can't forget Our teacher's fault really does learn.
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Cube

A parallelepiped rectangle with all congruent edges (a = b = c) is named cube. This way, the six faces are square. Base and cube diagonals Consider the following figure: dc = cube diagonal db = base diagonal In the ABCD base, we have: In the ACE triangle, we have: Side area The side area AL is given by the area of ​​squares next to: AL = 4a 2 Total area The total area AT is given by the area of ​​the six squares beside a: AT = 6a 2 Volume Similar to the parallelepiped rectangle, the volume of an edge cube a is given by: V = a.
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Challenge 188

Climbing Steps Difficulty Level: You can climb three steps in four different ways, as follows: How many ways can you climb seven steps? Challenge 187 Which fits you best? Challenge Index Next >> Challenge 189 Fourth power plus four
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Simple Regression (RLS)

In numerous problems, the researcher is faced with two variables that provide prediction of future behaviors. This prediction can be achieved through a study involving the regression line equation, conceived through the criterion (y, dependent or response) and independent (x, also known as prognostic) variables.
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Addition and subtraction of radicals

1 & Ordm; case: Similar radicals We do as in reducing similar terms of an algebraic sum. Examples: 2nd case: Similar radicals after simplification After obtaining similar radicals, we proceed as in the 1st case. Case 3: Radicals are not similar We extract the roots and perform the operations.
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