2010 JCT Ans.doc - 2010 Temasek Junior College JC1 JCT H2...

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2010 Temasek Junior College JC1 JCT H2 Mathematics (9740) 1Find ddyxin terms of xwhen 2. Underline key words: exact value, hence, deduce, show algebraicallyetcSimplify first before differentiating
(b)lnxyxleaving your answer in its simplest form.
x.
)
[2]2. Underline key words: exact value, hence, deduce, show algebraicallyetcSimplify first before differentiating
22A curve has equation 2axbxycxdwhere a, b, cand dare constants. The curve passes through the points (−1, 2), (−3, −12) and (4, 2). Find the equation of the curve.[4]
= 2
t0.
2
.
Z
+
.
TJC/JC1 JCT2010/MA H2 9740
4As n, 1(2)!

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