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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 universit...

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 -...

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 a...

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 imp...

First, we need to recall 2 basic definitions of vector operations:

The dot product is defined on vectors u=[u₁, u₂,...u_n] and v...