OCR C1 2007 June — Question 6

Exam BoardOCR
ModuleC1 (Core Mathematics 1)
Year2007
SessionJune
TopicQuadratic Functions
6 By using the substitution \(y = ( x + 2 ) ^ { 2 }\), find the real roots of the equation $$( x + 2 ) ^ { 4 } + 5 ( x + 2 ) ^ { 2 } - 6 = 0$$
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