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secondary 4 | A Maths
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MM
MM

secondary 4 chevron_right A Maths chevron_right Singapore

Help to solve

Date Posted: 4 years ago
Views: 326

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Kai
Kai's answer
46 answers (A Helpful Person)
1st
.
MM
MM
4 years ago
Thank you
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CH Wong
Ch Wong's answer
148 answers (Tutor Details)
Hello, mm. There are at least three methods that you have learned that you can adopt to solve for part (i).

See Kai Wen and Eric have provided you with the method using the discriminant. And for completeness, I am showing the same along with the other two methods.
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CH Wong
Ch Wong's answer
148 answers (Tutor Details)
This is the second method.
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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
An idea
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CH Wong
Ch Wong's answer
148 answers (Tutor Details)
This is the third method.