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October 20, 2017

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions.
Paper 1
Paper 2
Relevant materia... July 28, 2015

After teaching H2 Mathematics for so many years and sharing my suggested solutions post A-levels, I thought I collate them nicely and type them all neatly here ... August 27, 2018

Many students of mine have asked me this question numerous times. Some lamented that they work really hard, finishing off the revision package timely. However, ... August 23, 2018

So today we discuss about Cluster Sampling. We will begin by looking at cluster sampling with equal probabilities. Firstly, a cluster is a grouping of the membe... August 23, 2018

Post will be updated again on 9th November 2018.
All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely person... August 23, 2018

Post will be updated again on 14th November 2018.
All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely perso... May 17, 2018

Let us look at the difference between modal value and expected value. We shall start by saying they are different, albeit close.
Modal value refers to the mode... May 7, 2018

When Mr. Teng retired on 1 January 2018, he put a sum of $10,000 into a senior citizen fund that has a constant rate of return of 5% at the end of every month. ... April 18, 2018

I want to share a question that is really old (older than me, actually). It is from the June 1972 paper. As most students know, Maclaurin's series was tested in... April 5, 2018

Question 1
(i)
$latex y = f(x) = \frac{x^2 + 14x + 50}{3(x+7)}$
$latex 3y(x+7) = x^2 + 14x + 50$
$latex x^2 + (14-3y)x + 50 - 21 y = 0$
$latex \text{discrim... We would love to hear from you

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