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(a) (b)

Given that , find (a) (b) Show that

Given that , find in terms of x and y

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) (ii) Let Since We reject since Required stationary value of KS [...]

One of the most upsetting things to mark on students’ script is when questions ask them to commend on tangents as , etc. Following are some example of answers ” As , tangents become [...]

Many students seem to know how to solve a Min/ Max problem easily but do not understand. I hope this gives them some insights into Min/ Max problem. Firstly, what is a Min/ Max problem? It is [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) At P, (ii) At Q, At P, (iii) Midpoint KS Comments: (i) and (ii) are [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Using the Graphing Calculator, (ii) for f to be increasing KS [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Volume, V Surface area, A gives the minimum total surface area. (ii) [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. Please kindly comment at the specific questions should you have any questions.