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While we always capitalise the first letter of all countries and nationalities in written English, the same cannot be said for written French. While in French, countries ar...

Firstly put the equation into the the form (x+a)(x+b) this will make things easier later on.

Therefore, an equation such as (x+1)² would become (x+1)(x+1)

Next expand the br...

Firstly, form the imperfect subjunctive. To do this put the verb in the third person of the preterite (comer becomes comieron). Now drop the -ron leaving comie...

Any geometric series is defined by an initial term a, and a common ratio b. This means that we start with a and multiply by b to get eac...

Atoms in a metal are arranged in a lattice formation. What is a lattice? Imagine a grid (squares on a sheet of graph paper for example) where there is a metal atom in each sq...