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Both ‘tu’ and ‘você’ are second person singular pronouns ; the difference is mainly a regional one. Whereas Portugal uses ‘tu,’ Brazil tends to use ‘você.’ However, there are certain regions of Brazil (such ...

Using the completing the square method: 1. Notice (x+4) 2 = x 2 + 8x +16 which differs from the question by a constant 2. So we can write: x 2 + 8x + 3 = (x+4) 2 - 13 (check this yourself if you don't see it...

A good personal statement should start by being clear and outlining exactly why you want to study the course. This is an opportunity to show that you have researched the course and therefore can comment on p...

It's really useful to know that 'phile' means love. Electrophiles 'love' negative charge - this means they are attracted to regions of negative charge. And as such they tend to be positively charged. Similar...

Halliday (1978) proposed that there are 7 stages or functions of a child's speech. These are as follows. Instrumental function - language that is used to fulfil a need, such as to obtain food, drink or comfo...