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An introduction and conclusion are similar and important parts of any history essay. It is crucial though that you do not repeat yourself. An introduction directly addresses the essay question and clearl...
Using the F.O.I.L rule, standing for first, outside, inside, last, we would multiply out the relevant terms. to give: 2x^2+4x+14x+28. Once we have successfully multiplied out the brackets, we would identi...
For this we must take a step back and analyse the meaning of acceleration. Acceleration is a change in VELOCITY - this is very important. Velocity is speed in a particular DIRECTION. You may be confusing ...
diagram of the covalent structure of diamond- allotrope Each carbon has 4 covalent bonds- what are covalent bonds? these are when two atoms share a pair of electrons. These are very strong bonds, causing ...
3A^2 B(A +4B + 3a^3 B^2)
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