All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) (ii) Using (i) Since it is real, We have , Personal Comments: (i) [...]
All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) (ii) They are parallel to the y-axis. Personal Comments: This [...]
All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) and . are either zero vectors or parallel to each other. (ii) From [...]
All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. differentiating with respect to x, When When , When There is no [...]
All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) let Since We have that (ii) Personal Comments: Students must [...]
The sign definitely can cause a lot of confusion for students. For starters, and the list goes on. So my focus today is to explain when to put while dealing with . First, lets recognise a few [...]
Some Singapore parents and students have called, telling me they want to know more about the class structures. Most of my private classes range from one student to four students, preferably held [...]
I always stress to students the importance of the basics of complex numbers, that is The three forms of the complex numbers. I have shown how to derive from the cartesian () to trigonometric form [...]
With regards to a recent post on The Simpson’s triangles. We know that Simpson’s is quite a witty show. So is there a rule? Yes! And this rule is called Simpson’s Rule! But what [...]
This is a classical mathematical fallacies. At hindsight, everything looks perfectly fine. This is a rather difficult one as the error is actually hidden in the second last line! The mistake here [...]
