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All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) (ii) At P, Equation of tangent: At D, Therefore, . Midpoint of As [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Using Pythagoras’ Theorem, we have When , (ii) Using GC, (iii) [...]

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 [...]

Many students often overlook that the coefficient of in the integration or differentiation formulas in MF15 is 1!!! When it is not 1, many things changes. I’ll let the examples do the [...]