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Hmm maybe its coz im tired, but i just dont see the way to do this leaping out at me. :( Find a value for b such that y=12x+b is a tangent to y=x^3 Any ideas? Thanks.

Hmmm trying to do the 2008 hsc reduction question question 4 ish i think, thought it looked ok but im having a bit of trouble getting my head round part of it. The coroneos solutions are extremely unhelpful :(. question is, let In= integral from 0-pi/4 of tan^(2n) theta, thus prove In=...

Sorry, i bet this has been asked around 12000 billion times, but theres around 500 pages of threads... Ok so basically, i do 4 unit maths and im ranked 4th out of 13, 55 percent of the course done, assuming i keep going like this but, since we have 2 geniuses in my class who constantly get 95...

Lol, any1 know how to do the partial sum of a series if the common difference is negative. E.g How many terms of the series 80+73+66... give a sum of 495. I tried: 495=n/2(2a+(n-1)) nd it didnt work, is my algebra really crap or is there a way to do it? Thankyou!!!! :)