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"wats seems so unsolvable? cos everything should be solvable into linear factors .. over the Complex roots" " hehe try solving this one x⁵ + Ax⁴+Bx³ + Cx²+Dx + C

it wouldnt be satisfying to get into med after getting 'coached' imo...sorta like being taught/coached how to do iq tests before getting one done

a good uai is 99.6-99.7+ as you can get into most courses

hey anyone got websites with proofs of certain physics formulas that textbooks just like..err skip ie Ep = -Gm1m2 / r etc.....

xayma hit the nail on the head, so to speak

target uasi...hmm any estimates on act/math combined at maq ??99.2? +

isnt that the standard way of doing it?

q rational r real c complex

u = (x + 1)^2 followed by tanx = u works OK...ie abut a page working :(

post the last qn of the paper / or hardest so i can see the difficulty? :)

yes i got that as well

answers or hints?, anyway an easy way (not the best) is let u = 3x-1

ok attempt 2 log_10 3 = b/a. b,a integers 10^(b/a) = 3 10^b = 3^a 10^b is even... 3^a is odd... which means log_10 3 is irrational??

:( ok well is it true for e(b/a) ? then it would be true for ln2

ahh failed attempt 1

one possible contradiction is for example you find both p and q are even if defining log(_10)3 = p/q where p/q is the simplist fraction ...i think

lol ill give it a go sqrt(5 + sqrt(5)) - sqrt(5 - sqrt(5)) > 1 LHS = sqrt(5 + sqrt(5)) - sqrt(5 - sqrt(5)) = sqrt(10-4sqr(5)) after some minor algebra now for sqrt(10-4sqr(5)) to be > 1 then 10-4sqr(5) > 1 which is true as 2.25 > sqr(5) (as 81/16 > 5) (ie 81/16 > 80/16)

why is it impossible to 'solve' ALL quintic equations? for example with quadratics you have a+b and ab and by solving simul you can find the zeros(if any), for cubics you have a+b+c, ab+ac+cb, abc and again solving 3 simul eqn's with 3 variables can be done with qunitics cant you get 5 equations...

hmm just wondering is it worthwhile even attempting to do some of the olympiad qns in preperation for qn 8? (there are on buchanans site)

depends on your definition of 'ok' ..alot of ppl would be very dissapointed w/ marks in the 50% range