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secondary 3 | E Maths
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amanda
Amanda

secondary 3 chevron_right E Maths

i dont know what to do first

Date Posted: 7 years ago
Views: 729
Melanie Tay May
Melanie Tay May
7 years ago
where's the first part of the question?

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Weishan
Weishan's answer
1 answers (A Helpful Person)
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Yee Miao Ling
Yee Miao Ling
7 years ago
Hi, I think for part ii) your answer is incorrect. It shouldn't be 5/3 < x < 7. When x = 5/3, the entire expression equates to 0, so anything more than 5/3 will cause the solution to be bigger than 0. However the question is asking for answers less than 0. So it should be anything that is less than 5/3. The answer should be x<5/3 instead?
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Yee Miao Ling
Yee Miao Ling's answer
29 answers (Tutor Details)
Uploading this, because I think the answer submitted above for Part ii) is in correct.
Chen Jia Xing
Chen Jia Xing
7 years ago
Yes the answer is 5/3 but your expression of answer might be wrong as you are ignoring a root. I think the above expression coupled with your answer will then be the full answer. Just a personal opinion. Thanks