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Whether the noun begins with den or der depends on the case it is in (and the rule works in the same way for the articles ein/mein/etc). The case is determined by the role the noun is playing in a particu...

1. First we need to make sure we have a nicely labelled triangle, identifying which sides are the adjacent, opposite and hypotenuse. 2) Once these are labelled we will can work out which trig function ...

The first step here is to identify what to do. Differentiating the equation y = 2x^2 + 7 will result in dy/dx = 4x. Given that you know that x = 3, you can substitute x = 3 into 4x which gives you 4(3) = ...

The grammatical case system in Latin can be an extremely confusing concept for English speakers because in English, meaning is usually determined through word order alone or, occasionally...

Find the difference between each term in the sequence. Then find the second difference, i.e. the difference between each of the primary differences. Divide this by 2, to give you the coefficient of n^2. N...