3. Find all positive real solutions to the equation
important to complete a small number of questions
than to try all five problems.
k ,
k + j 2x
k = j x
x + j x
• Each question carries 10 marks.
2
6
3
• The use of rulers and compasses is allowed, but
where ⌊t⌋ denotes the largest integer less than or equal to the real
calculators and protractors are forbidden.
number t.
• Start each question on a fresh sheet of paper. Write
on one side of the paper only. On each sheet of
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