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When Mr. Teng retired on 1 January 2018, he put a sum of 500 at the start of each month for groceries. Denote the amount of money that Mr. Teng has at the time years by . (i) The differential [...]

(i) When When Using GC, When time interval between the first and second alarm. (iii) As which is impossible as the canal has only a fixed capacity of . Thus, the model is not valid for large [...]

(i) Given Given When Back to June Revision Exercise 3

(i) (ii) (iii) When Back to June Revision Exercise 3

When When Back to June Revision Exercise 3

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. where k is a positive constant. When Since When When KS Comments: Not a [...]

To solve a DE with substitution, we first observe that we are given an equation with and variables, that is then we introduce . Here, our intention is to remove our variables and replace it with [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) (ii) (a) When When (b) When Reject since when (c) From the graph, As [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) (ii) Let , KS Comments: Students need to be reminded to put modulus [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Since , where (ii) (iii) (iv) Consider , then Let , so and , then KS [...]