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Can you help me one more time guys!! I tried using product rule for this but failed, most hardest deriving ever... F(X)= x square root 10-x , show that f'(x)= 5x(8-x) / 2 rooot 10-x

ty robot also!!!!, but i think aaeldar's method is much easier.. too many steps~~

WOW dude ty!! I thank you so much!! now i undestand domain and range !!! cheers rep !!!!!!

First of all!! Domain and range is one of my worst areas for maths :(... heres the question: a. State the domain and range of the function y=2 root 25-xsquare Can anyone explain to me how to do this question??? it would be helpful!! thank you

I've studied hard all year round also btw.. :(..... but yeah 11 days is alot ty guys .. i love you bos :)

THIS!!!!!!!!!! and the ones who top standard.. are beast.. they're normally kids who are comparable to the top in advanced.. (eg. ninety on this forum)

oh cool!! ty ~~

The net income deficit is also caused by structural factors. One structural problem is Australia’s high net foreign liabilities, and the servicing costs associated with those liabilities. It is no surprise that this figure has grown in line with Australia’s mounting borrowings from the rest of...

Yes , these things are assumed knowledge btw... Alot of the prelim work as said by enoil is preparing you for the hsc.. prelim you should learn the basics of economics.. 5 sector model and monetary/fiscal policy and other economic elements.. however dw they are revised later on in yr 12!!

can you also help me with this one: http://www4.boardofstudies.nsw.edu.au/testResults.cfm?testID=13220836&testUUID=DC2D2366-9F76-874C-F4CE172EAECB73E5&question_id=28&question_num=22&correctAnswer=D&user_answer=B&courseID=15040&testQuestionID=266094291 ??

Basically a type of investment. A government bond is a bond issued by a national government denominated in the country's own currency. Bonds/securities are debt investments whereby an investor loans a certain amount of money, for a certain amount of time, with a certain interest rate, to the...

oh fml i didn't look at the bottom =.=... thank you hshahahaha~~ rep for you!

I'm korean. (BORN HERE IN AUSTRALIA SO ME AUSSIE!!). but i prefer Korean girls.

http://www4.boardofstudies.nsw.edu.au/testResults.cfm?testID=13220836&testUUID=DC2D2366-9F76-874C-F4CE172EAECB73E5&question_id=2436&question_num=12&correctAnswer=B&user_answer=A&courseID=15040&testQuestionID=266094281 Can anyone explain why the answer is b?? Return on owner's equity = net...

Yeah you got a point there.. exports would be considered ~.~ true that.. it's pretty difficult question dang

(A) A country experiencing a recession fixes its currency to that of a country in which interest rates are low. (If you're in recession you want to boost the currency up for an appreciation, the higher the i/r the higher it attracts investors) nope nope :(.. (B) A country experiencing a boom...

Remember aggregate demand (AD=C+I+G+(X-M)) , Capital expenditure is when a business spends money either to buy fixed assets or to add to the value of an existing fixed asset with a useful life extending beyond the taxable year (so basically investments I).. This will boost aggregate demand and...

oh..... that was my issue. i didn't set the time limit for myself.. btw this was a contributing factor that made my only complete up to 1-5... I spent too long on question 1 (I can remember it was atleast 30 mins which is ridiculous now it takes me 5mins tops).... anyways thank you ...

did you only do past papers for trials?? or was your preparations similar???? I did pastpapers for trials (although i didn;t look at them properly)

I'm pretty sad myself, i didn't really like Steve jobs since im a samsung fanboy and we hate apple so much.. but i was kind off devastated when i heard he died.. But he was a great man.. and i hope he can rest in peace :(....