Lau Guan Yih's answer to jiho's Secondary 3 E Maths Singapore question.
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This should help you with the more difficult parts, d is a matter of using the quadratic formula to find your answer ( note the 3 decimal places, that will be your hint to use quadratic formula ) and e is just to use what you have found in d
Date Posted:
1 year ago
thank you!!
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