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Once upon a time, in the Ancient Wizarding World of Haberdasher’sOne pound = 20 shillings One shilling = 12 penceA large Margarine-beer costs 1 pound 4 shillings and 9 pence. A small Margarine-beer costs ...

DIVIDE 18 BY 4 USING BUS STOP METHOD TO GET 4 WITH 2 LEFT OVERTHEREFORE BECOMES 4 AND 2/4THEN SIMPLIFY TO 4 1/2

2y dy/dx - x dy/dx - y + 6x = 0dy/dx (2y-x)= y-6xdy/dx= (y-6x)/(2y-x)

Looking at the problem to start we can see that this is an algebraic division problemThere are three common methods you will come across for finding dy/dx for algebraic problems: The Chain Rule, The Produ...

Note: I have a screenshot of the question that I should be able to add to the work space. Q5 C4 June 2014 Edexcel.x + y = 2sqrt(3) cos tStart with x = 4 cos ( t + pi/6) and the trig identity cos(A + B) = ...