2025 ESSS P2 Q1

2025 ESSS P2 Q1

Secondary 4

5 marks

Solve the simultaneous equations.

\(\begin{aligned} x-y&=1, \\ x^2+y^2&=7-xy. \end{aligned}\)[5]

Solution:

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Answer:\((x,y)=(2,1)\) or \((-1,-2)\)

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