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Quadratic Simultaneous Equations
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Question 65
Hard
Solve the simultaneous equations
x2+y2=20 x^2 + y^2 = 20
x
2
+
y
2
=
20
3x−y=10 3x - y = 10
3
x
−
y
=
10
[5]
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Quadratic Simultaneous Equations