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There are as many fractions as there are factors of the denomenator.  If the denomenator of one of the partial fractions is linear then the numerator is a constant. If the denomenator is a linear term squ...

History A levels are focused more on analysis than simple recall of facts. While it's important to know plenty of relevant facts, you shouldn't focus too heavily on mere factual revision, and don't worry ...

Let us assume a country with a fixed exchange rate such as Hong Kong. As devaluation only works when there is a fixed exchange rate, which is not governed solely by market forces (S&D). This allows fo...

(a)  9x+11/(2x+3)(x-1) = A/2x+3 + B/x-1
      9x+11 = (x-1)A + (2x+3)B
      Setting x=1 gives B=4, setting x=-3/2 gives A=1
      so the final answer is 1/(2x+3) + 4/(x-1)
 

Trypsin is a protease that acts in the small intestine to digest proteins. The advantage of it being produced inactive form in the pancreas is so that it doesn't digest pancreatic proteins. This means it ...