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Hello, you can be sure I know spanish because it is my first language. Furthermore, I studied primary school and high school in spanish in Venezuela and I started studying Communication in a university back ...

Let f(x) = x^3 - 6x^2 + 11x - 6. Try x = 1： f(1) = 1 - 6 + 11 - 6 = 0 So x - 1 is a factot of f(x). Try x = 2： f(2) = 8 - 24 + 22 - 6 = 0 So x - 2 is a factot of f(x). Try x = 3： f(3) = 27 - 54 + 33 - 6 = 0 ...

The most important thing to do is read the question at least twice! Make sure it's clear in your mind what the question is asking. Think about the five W's: who, what, when, where and why, as well as how. 'H...

The six German modal verbs are: duerfen, koennen, moegen, muessen, sollen and wollen. They are a few irregularities with their conjugations but common trends can be spotted; In the imperfect, they follow -te...

First, we need to recall 2 basic definitions of vector operations: The dot product is defined on vectors u =[u 1 , u 2 ,...u n ] and v =[v 1 , v 2 ,..., v n ] as u . v = u 1 v 1 +u 2 v 2 +...+u n v n The len...