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.

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.

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.

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

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.

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.