Gerry Lim's answer to lana <3's Secondary 3 A Maths Singapore question.
done
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Might want to check if my expansion is correct. For part ii use Discriminant property to check if there are roots
Date Posted:
2 years ago
Part i incorrect. Coefficient of x^4 is 8, so we need to multiply the terms by 4. This should be done somewhere in the intermediate workings.
f(x) = 4 (your first bracket expression) (your second bracket expression)
Yes, agree. I was wondering why something felt weird abt the equation. Asker pls take note!
yes your answer is correct and i understand the explanation !! thank you very much <3
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