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about ranking is it matter?Currently I rank 3rd in the class, I pretty confident to be top or 2 nd in the class.

I just received my result for half yearly 4 units. I only got 86% for it (weight 30%). Do you guys think it still possible to get final mark for 4 units over 90 (I have to get over 90 for 4 units to get through my course at uni)?????

you can use the method "head to tail" to solve. It won't take u for more than 3 minutes to know the answer.

Thanks a lot, trebla. I think there is something wrong with question 4 'cause when I draw the graph, I could not identify with section to rotate. There is no intersection between these 2 graphs.

Can some one help with following questions:

Sorry to mention, u can use futher properties of definite integral to solve all these questions. I just can get solutions right as in text book. The last question I dont know how to prove inequality

Can some one help me to solve the following questions: Also including final answers

Repeated 5C3 x (5x5x5) Can't repeated 5C3 x (5x4x3) I hope i get it right Damn I forgot it must be even number

You have to remember any thing which includes a trig square have to be converted using double angle formula.

The test is not quite hard (except I think I will have some problems with the last question of complex number).

I am currently using Phoenix text book. It is quite good, I think it basically is just exam style question. So it would give u an idea wat kind of questions you would expect in the exam.

Thanks a lot

Whe P(x) is divided by (x-2) and (x-3) the remainders are 4 and 9 respectively. What is the remainder when P(x) is divided by (x-2)(x-3)

Sorry my bad, he is correct. But I think I refer to use De Moiver thereom to solve it any way (fast and accurate)

Hey jyu I think you made mistake from the third line to the fourth line.

Yep he's right using De Moivre's theorem to solve it!!!

Wow I have never heard that quote before!!!

It's good to have equally number of proton and neutron inside an atom. if not it will become radioactive isotope!!!

still looking for ppl who willing to join group for medentry discount. lol

No !!! seriously!!!