A piece of wire of length 34cm is cut into two parts A and B with A
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Question:
A piece of wire of length 34cm is cut into two parts A and B with A of length x cm. Part A is bent into the shape of a square and part B into a rectangle of which one side is double the other.
(a) Find an expression for the sum of the areas of the 2 figures.
(b) Show that the only value of x for which the sum of the areas is maximum or minimum is 16cm.
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