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3. ### Math Question Help

Yeah I had a similar thought to use Markov's inequality. However, it's difficult to get rid of the integral of xf(x) from 0 to a in the example above. How would you go about doing that?

6. ### MATH QUESTION HELP

Hi, thanks Cossine- your hint helped me figure it out I had another question that I'm struggling with: If you can please try to use (12): Thanks in advance! :)
7. ### MATH QUESTION HELP

Oh sorry, I forgot to include the question into the screenshot. The question is to show the following for any continuous random variable X.

9. ### Past Paper Questions for 3u

so then is the answer just 3?
10. ### Past Paper Questions for 3u

Hi, Could you please help me out with these past paper questions? The answer is C but the answer i get is 362304 There was actually no answer for this one in the answer key for this one. i think they might've skipped it thanks in advance:))

thanks!
12. ### Past Paper Mathematics 3U questions

right i see, thanks for helping me out!!
13. ### Past Paper Mathematics 3U questions

Hi guys, I was going through some past papers and got stuck with these questions. Could you please help me out? I would really like the working out for these questions since the solutions didn't have any. The answer for this one is A. The answer for this one is D. thanks in advance! :)
14. ### Trigonometric Functions and Graphs Fitzpatrick Questions

Pretty sure that T-formula and auxiliary angles are in 3u but I was wondering if there was a way to solve this question using 2u content
15. ### Trigonometric Functions and Graphs Fitzpatrick Questions

There were some other ones I didn't understand from this chapter either, could you please help me out with these ones too? From Exercise 12.3: Question 7 Question 8 From Exercise 12.4: Question 2.e (I've attached the entire question for convenience) Question 7.c and d (I've attached the...
16. ### Trigonometric Functions and Graphs Fitzpatrick Questions

Thanks everyone, Do guys know how to do these ones as well? They're from the same textbook, Fitzpatrick, Exercise 12.2 Question 7
17. ### Trigonometric Functions and Graphs Fitzpatrick Questions

Hi, yeah that's the solution thanks!
18. ### Trigonometric Functions and Graphs Fitzpatrick Questions

Hi everyone, I had a question from Fitzpatrick 2U Chapter 12 Exercise 12.2 Question 5.d Solve, for -2\pi \leq x \leq 2\pi, 2\cos2(x/3-(2\pi)/3)=\sqrt3 I have no idea how to do this question, can you please help me out? Thanks in advance:)