Hardest 4-unti question ever??? (1 Viewer)

[Michaelmoo]

Hey guys. Just curious. Whats the hardest four unit question you have ever seen. I mean not only teh HSC, but trial papers too.

Please quote this question and briefly describe what it asked.

Thanks.

 

[independantz]

I(e^-x^2 .dx)

 

[Trebla]

This one's definitely a contender:
Q8b HSC 1989:
http://users.tpg.com.au/nanahcub/1916-1989-2001.pdf#search='1989 4 unit maths HSC exam paper'

 

[shaon0]

I(e^-x^2 .dx)

error function ie. gaussian integrals

 

[shaon0]

This one's definitely a contender:
Q8b HSC 1989:
http://users.tpg.com.au/nanahcub/1916-1989-2001.pdf#search='1989 4 unit maths HSC exam paper'

lol, what kind of question is 8b) in the 1989 paper.
Virtually impossible unless your an absolute genius.