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1) by substituting u=x-1/x, integrate (1+x^2)/(1+x^4) 2)find the volume generated by y=x/((x^2+16)^(1/2)) HINT let y=sin@

if u really put in an effort in this one, then no, ur not good enough. but if u were kinda lazy and u think u can work more then ya

Re: 回复: Re: What mark are you expecting in 4 unit? shut the fuck up virgin

Re: 回复: Re: What mark are you expecting in 4 unit? dont make fun

not as hard as everyone says it is

no they aint accept me cuz i aint an asian

yes

yes, art scales shit i think

sheeeeesh, good thing im 18

yes, it was better than encore and eminem show, but not MMLP or SSLP

i havent done volumes yet, i cant work it out. so im gonna presume dd24 is right

^ if any one can do it its u bro

99 or 100

^ show working m8

lol TAFE

yea i haeard that happnd too

thanks again

thanks for the help bros i got some more i cannot do 63. Integral of (9+x^2)^(1/2) dx 64. Integral of x(9+x^2)^(1/2) dx 70. Integral of (x^3+1)/(x^3-x) dx having trouble dividing this one 72. Integral of ln(x+(x^2-1)^(1/2)) dx 84. Integral of (7+x)/(1+x+x^2+x^3) dx

20. Integral of (x)/((x)^(1/2)+1) dx 50. Integral of (x^3)((4+x^2)^(-1/2)) dx 56. Integral of (Sec Squared X)/(Tan Squared x - 3Tanx +2) dx

^ piss off boong