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junior college 2 | H1 Maths
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14b... How?!!!
Date Posted: 6 years ago
Views: 411
Let y = (x² - x + 1) / (x² + x + 1)
Group all the terms to one side, so the other side is 0.
since x is real, the roots are real.
Since it's a quadratic equation, the discriminant ≥ 0.
So b² - 4ac ≥ 0
Eventually you will get
(y -1/3)(y - 3) ≥ 0
Then it can be deduced that 1/3 ≤ y ≤ 3
Group all the terms to one side, so the other side is 0.
since x is real, the roots are real.
Since it's a quadratic equation, the discriminant ≥ 0.
So b² - 4ac ≥ 0
Eventually you will get
(y -1/3)(y - 3) ≥ 0
Then it can be deduced that 1/3 ≤ y ≤ 3
See 1 Answer
Actually I don't know what you mean hahaha
You're taking the SPM issit? TBH I also do the Malaysian syllabus. What did your teacher teach for this topic??
I also dk*
This is stpm... Hahaha my teacher didn't teach us this hard question but she did say what turning point minimum and draw a graph.
Where the 1-2x/x2... Come from
Polynomial long division
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