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Discussion –

36

Discussion –

36

# STPM 2017 Term 2 Mathematics (T) Coursework   STPM 2017 Term 2 MT Coursework Explained.

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In the application in science and technology, some definite integrals are difficult to evaluate by the usual integration techniques. It is a common practice to approximate a definite integral by integrating the first few terms of the series expansion of the integrand. “Only sample solution for mathematical part will be posted. Please ask your school teacher for introduction, methodology, and conclusion.”

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KK LEE has been a STPM Mathematics tuition teacher since June 2006, but his love of Maths dates back to at least 1999 when he was Form 4. KK LEE started teaching in 2006 at Pusat Tuisyen Kasturi. He was known as "LK" when he was teaching in PTK. After teaching STPM Mathematics for 8 years in PTK, he joined Ai Tuition Centre in 2014. Over the years he has taught Mathematics (T), Mathematics (S), Mathematics (M), Additional Mathematics.

1. May I know how to get the degree for both Q3 (a)&(b)4?

• It is conversion from radian to degree

2. For 3 a), why the values for T1 is higher than T2, while for 3 b),the values of T2 is higher than T1.

• Greater or lesser does not mean anything here. Because they are approximation to the integral. If you never compare with the exact value, it is no point for you to comment about T1 is greater than T2.

3. For 3 a) and b), why the values for T1 is greater than the value for T2 ?

• Greater or lesser does not mean anything here. Because they are approximation to the integral. If you never compare with the exact value, it is no point for you to comment about T1 is greater than T2.

4. So, how to continue with comments the validity???

5. May i know how to find the exact value of T in Q3?

• You can find the integral by using elliptic integral calculator

6. may i know how you make a function to make tabulate your table?tqvm

• Which functions are you referring?

• how did you tabulate your data? by using brute force to calculate or using a function and make your first column as input and the following column as output to make your table

7. Hai Sir, how to calculate T exact? / What is the formula for T exact that should be set at Excel?

• U have to integrate it

8. May I know how to get the exact value of T?

• You can use elliptic integral calculator online

9. Why the values of alpha in 3(b) are between 0.25 to 0.70, but not between 1.0 to 2.5(given in question)?

• Please refer to the updated question given by MPM.

10. What is the formula for T exact in 3(a) and (b)?

• 11. Hello, I have question how can you get the T exact? I have tried using elliptic integral calculator but still the answer make no sense. If you can show me how you can get the answer that would be great. Thank you

• 12. teacher, how to calculate the error T1 with exact? Is it ((T exact-T1)/T exact)*100 ? Thanks in advance

• Yes

13. can u give a full answer ?

• No. I never prepare full answer

14. What formula should I used to obtain degree? Is it formula from T1?

• To convert to degree. Multiply 180 and divide pi

15. hello sir , what is the aim for this coursework actually ?

• To check the appropriateness of using numerical methods

16. Can u even tabulate out T?
The question mention use alternative method to find T1 n T2
The question oso didnt ask for the value of T right?
So is ur method valid or im the one in wrong?

• 17. sir ,wasnt the radian is a/2? why are u directly convert the a into degree instead of a/2?

• Sorry. I can’t get what you meant. Which a/2?

18. The dy/dø should equal to -k^2sinØcosØ / (k^2sin^2Ø)^3/2 ???
Should have negative sign right ??

• 