Edexcel C1 2011 June — Question 4

Exam BoardEdexcel
ModuleC1 (Core Mathematics 1)
Year2011
SessionJune
TopicSimultaneous equations

4. Solve the simultaneous equations $$\begin{aligned} x + y & = 2
4 y ^ { 2 } - x ^ { 2 } & = 11 \end{aligned}$$