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Using the formula (given in the formula booklet):∫ u(dv/dx) dx = uv − ∫ v(du/dx) dxFor example if we want to integrate ∫xsin(x) we can take x to be u and sin(x) to be (dv/dx).So ∫ xsin(x) dx = x(-cos(x)) − ∫...

Simultaneous equations have at least two unknowns that must have the same value in each equation. This means the value of x and y in both equations must be the same. To solve this by elimination, the aim is ...

The possessive adjectives in French indicate that something belongs to someone. For example: my pen, her house, our school.In French they are as follows:My: mon, ma, mesYour (singular): ton, ta, tesHis/Her/I...

The separation of powers is where the political system is divided into three 'branches' and power is divided between these branches. These branches are: the legislature (the body that makes laws - in the US ...

Waterfalls form where a river is flowing over hard rock lying on soft rock. The soft rock is eroded faster, so there is a step in the river which deepens over time. It is eroded by hydraulic action and abras...