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Both the Consumer Price Index (CPI) and Retail Price Index (RPI) are ways of measuring inflation which is the average change in price of a basket of goods. The RPI, however, includes the costs of housing ...
Firstly, read the extract slowly once through, don't rush and attempt to begin analysis without getting a clear picture of the extract as a whole. Upon your second reading underline and annotate key words...
z = 3i(7-i)(i+1)= 3i(7i-i+7-i2 )= 3i(6i+8)= 18i2 +24 (1 method mark)= 24i-18 (1 method mark)k=18 (1 answer mark)
As we travel along the period the nuclear charge increases, this increases the grip the nuclei of the atom has on the electrons. As they are on the same period they experience almost the exactly the same ...
If we have the curve y=x3+3x2-7x+5, to differentiate it we firstly multiply x by its power, and then reduce the power by one.Therefore x3 will differentiate to 3x2WHAnswered by William H. • Maths tutor4629 Views
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