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secondary 4 | A Maths
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kathy2
Kathy2

secondary 4 chevron_right A Maths chevron_right Singapore

Thank

Date Posted: 1 week ago
Views: 9

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Eric Nicholas K
Eric Nicholas K's answer
2445 answers (Tutor Details)
1st
Q3a to Q3e

One more thing. We must do the differentiation first BEFORE substituting the value for x. Never the other way round, because if you substitute the value for x first, you will obtain a numeral for y, which differentiates to 0 when differentiated with respect to x.
kathy2
Kathy2
1 week ago
For part c how u get 6?
kathy2
Kathy2
1 week ago
Part e how u get when y=5?
Eric Nicholas K
Eric Nicholas K
1 week ago
From the question
kathy2
Kathy2
1 week ago
Ok. I didn’t saw it
kathy2
Kathy2
1 week ago
I post qns
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Eric Nicholas K
Eric Nicholas K's answer
2445 answers (Tutor Details)
Q4 to Q6a
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Eric Nicholas K
Eric Nicholas K's answer
2445 answers (Tutor Details)
Q6b to Q6e
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Eric Nicholas K
Eric Nicholas K's answer
2445 answers (Tutor Details)
Q6f
kathy2
Kathy2
1 week ago
Thank you so much