June Revision Exercise 8

Below are the solutions for the June Revision Set 8 (Vectors) Do let me know if you don’t understand the solutions. Thanks Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 [...]

2011 A-level H2 Mathematics (9740) Paper 1 Question 11 Suggested Solutions

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Two direction vectors on the plane are and Normal vector of plane, [...]

2011 A-level H2 Mathematics (9740) Paper 1 Question 7 Suggested Solutions

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Using Ratio Theorem in MF15, Required Area (ii) (a) Since is a unit [...]

The Modulus Sign #3

Here, we shall discuss something called the Triangle inequality which states that . I thought this is rather important as I see too many students writing things like latex |2+(-2)| = 0latex [...]

The Modulus Sign #2

So now let us look at a simple relationship that many students memorise instead of understand. Below, we see a absolute function graph. Now we all know that gives us . So how did that happen? [...]

2012 A-level H2 Mathematics (9740) Paper 1 Question 9 Suggested Solutions

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) (ii) for some . Since is perpendicular to (iii) Let C’ be the [...]

2012 A-level H2 Mathematics (9740) Paper 1 Question 5 Suggested Solutions

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Area (ii) Thus required coordinates are and KS Comments: Students [...]

The Modulus Sign #4

I received this from a student of mine who was really confused with the transition from line 2 to line 3. Students should give it a thought before reading my explanation below. Firstly, my [...]

The Modulus Sign #1

A few weeks back, I conducted a weekend of lessons on the modulus sign (or absolute value sign) with all my JC2. Its to prepare them for the upcoming prelims and A-levels. Many students till [...]

2013 A-level H2 Mathematics (9740) Paper 2 Question 4 Suggested Solutions

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) (ii) Using Graphing Calculator, equation of line, (iii) Distance A [...]

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