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well sorry, no body asked for ur opinion btw i worked out that i haven't covered intergration by substitution yet hence the mistake i made. i've fixed it tho. shano i believe u should get a life the only reason i keep posting comments cause its soooo funni how serious u take this hahaha. jokes...

pfft i am a girl. and bdw continuim i was on ur side fool thought u worked it out pretty good and the dude that started this said U were right. that shano dude is up himself tooo far!!

NO HE DIDNT. WRONG.

pfft dont care i made a mistake woop woop so did u smart arse. its a first for me mistakes are unusual to me but when u have been doin econmics all day bound to happen!!!

y bdw caps lock didnt mean i was being a smart ass, i was mearly pointing that out, bdw what is the answer!!! y havnt i finished the q it asked to intergrate that is what i did. i was havin a go at it

Maybe (x^2+1)^2 - 2x^2

YOU CANT DO THAT IF IT ASKS U TO USE THE SUBSTITUTUION U CAN'T JUST MAKE UR OWN RULES UP!!!

x.√(x+1 ) when x= u^2-1 u^2-1√(u^2-1+1) u^2-1√(u^2 ) (u^2-1)u u^3-u Then integrate this ∫〖u^3- u〗 =u^4/4- u^2/2 HOPE THIS HELPS U.

Gradient of the normal is the reciprical of the gradient of the tangent. Gradient of tangent = y'. hope that helps u get started

No asymptotes for a circle, asymptotes are when the y value or x value doesnt exist

yep soz about my typo

yer i didnt get stat pts only a horizontal pt of inflexion at x =2 but i hav no idea???

THANK YOU farout wasnt as hard as i tought dam i handed in the assignment this morning with nothing on the page and yet i t was simple as u put my mind at peace haha. man i sound nerdy =)

u probalbly dnt use this but i just had to post this for pple like me wanting to know the anwer it is 3 unit stuff but x^3 + x^2 - 5x - 6=0 factors of -6 where x^3 + x^2 - 5x - 6=0 when x = -2 -8 +4 + 10 - 6 =0 therefore (x+2) is a factor remember (x-a) into P(a)=0 divided x+2 into x^3 + x^2...

i know they are similar but how to prove that the ratio for all triangles are equal.

can anyone help with stat pts of y= x2 -1 / x2 i have an answer but doesnt look right. please help.

A, B, C and D,E,F are sets of points on two parallel lines L1 and L2 respectively. AF, BE, and CD intersect at 0. prove AB/EF = AC/DF = BC/DE this is after naming the 3 pairs of similar triangles. if anyone can show how to prove it i will be very grateful. :D

Re: Year 12 Jerseys i already hav mine =) we werent allowed nicknames and personally i dnt give a shit and i'd rather my last name in 20 rs looking bak then some fuked up smartarse nickname unless it really was what pple called me. im just happy it says 09 fav number =)

pfft yr 11 is nothin just another bludge, wait till HSC soo much work

Re: English or Maths Maths is way better. english is gay and kills texts such as fav films and novels and asks u for ur opinion and marks u on what u interpret which is shet as. MAths on the other hand there is several different ways of doin one q but there is a definate answer.