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Maths CCEA
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1.1 Algebra and functions
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Question 35
54%
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Prove that
x2−4x+7x^2 - 4x + 7
x
2
−
4
x
+
7
is positive for all values of
xx
x
[3]
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1.1 Algebra and functions Questions
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1.1 Algebra and functions
