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"Integration by parts" is one of several methods in our arsenal that we can use to integrate a function f(x). It involves expressing f(x) as the product of tw...
To find the roots, we solve the equation 3x2 + 13x + 4 = 0.
We could try factorising the equation, which gives...
Destructive plate margins are where a plate of higher density is subducted, or forced underneath, another, less dense plate.
This occurs due to convection cur...
Igneous rocks
Igneous rocks are distinguishable by the fact that they are made up of crystals, which vary in size depending o...
There are three ways of turning a statement into a question in French. They are all equally good, but are perhaps used in slightly different situations, as I will explain.
The first (and easie...
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