5.A rectangular playing field is to have an area of 600 m2. Fencing is required to enclose the field and to divide it into two equal halves. a) Find a formula, F(x), for the total length of fencing required, in terms of the length, x, of the fence dividing the field in half. b) Find the minimum amount of fencing needed to do this. c) What are the outer dimensions of the field that has the least fencing?

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