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Expanding out the Brackets: (n²)+ (n² + n + n + 1) + (n² + 2n + 2n +4) = (n²) + (n²+2n+1) + (n²+4n+4) =3n² + 6n +5 Using this r...

The lungs are made up of many air sacs called alveoli. The alveoli have many folds which create a large surface area.  The larger the surface area, the greater the area of alveolar cell membrane available...

Deponent verbs are verbs which look passive, but have an active meaning. We are used to seeing active verbs, like 'capio', meaning 'I take or capture', where the subject of the v...

Although it may seem intimidating at first, as it's quite different in English, it is actually quite simple once you understand this.

First of all, most native speakers alternate between the two te...