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secondary 3 | E Maths
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Need help for question 4-6. Answers for question 4 : 9 hours. Question 5 (a) : 9 and 3. (b) : 3 to the power of 7-n. (c) : 14. Question 6 : n = ... , -6, -4, -2, 0, 2, 4, 6, ...
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