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secondary 4 | A Maths
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Kathy
Kathy

secondary 4 chevron_right A Maths chevron_right Singapore

Thank you

Date Posted: 4 years ago
Views: 195
Eric Nicholas K
Eric Nicholas K
4 years ago
Seen, later

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
Not sure what the question wants this time though.
Eric Nicholas K
Eric Nicholas K
4 years ago
Maybe the question wants something like

(1 + k)2 / k = b / ac

I tried other methods also but failed. Not sure what the question wants in this case though for 6 marks.
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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Slight change
Eric Nicholas K
Eric Nicholas K
4 years ago
And the extra condition that b2 - 4ac >= 0 for real roots
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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Different approach, different answers