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tmua.me Medium Set B Paper 1 · Q20

Paper 1Algebra

The real numbers xx and yy satisfy

x2+y2=13,x3+y3=35.x^2+y^2=13,\qquad x^3+y^3=35.

What is the sum of all the distinct possible values of xyxy?

A−27-27
B−92-\dfrac92
C32\dfrac32
D33
E66
F392\dfrac{39}{2}

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