Ask your own question, for FREE!
Mathematics 12 Online
OpenStudy (anonymous):

Integration Question in comment, i don't know how to attach images in a question

OpenStudy (anonymous):

OpenStudy (anonymous):

oooops, i didn't mean dy/dx, i meant the integration sign

OpenStudy (anonymous):

aah - i thought that might be the case

OpenStudy (anonymous):

if there was the correct notification, would that be correct?

OpenStudy (anonymous):

split this up into partial fractions we get INT (1 - 7 ) dx ----- 3(x+3)

OpenStudy (anonymous):

can you continue from there?

OpenStudy (anonymous):

you rresult is not correct

OpenStudy (anonymous):

I don't understand what you have done, where has this 7 and this 3(x+3) came from?

OpenStudy (anonymous):

sorry guy - i copied the question down wrongly - i'll hav e another look at it

OpenStudy (anonymous):

ok, i was a bit worried when a 7 randomly appeared lol thanks for helping me out, im currently revising for an exam :D

OpenStudy (anonymous):

kind of a guess: is it this instead?

OpenStudy (anonymous):

or...

OpenStudy (anonymous):

first do long division to obtain INT 1 / 3(3x + 1) + INT 1/3 = 1/3 INT 1/ (3x+1) + x/3

OpenStudy (anonymous):

dividing 3x + 2 by 9x+ 3 gives 1/3 + 1 / (9x+ 3)

OpenStudy (anonymous):

am i right?

OpenStudy (anonymous):

must admit my integration is pretty rusty

OpenStudy (anonymous):

lol, mine too, and i have an exam on it in about 36 hours xD

OpenStudy (anonymous):

I thought that the question would involve natural logs when integrating (like when 1/x is integrated) doesn't it?

OpenStudy (anonymous):

yes - so integrating 1/3 INT 1/ (3x+1) = 1/9 ln| 3x+1| so finally answer is x/3 + 1/9 ln| 3x+1| + C

OpenStudy (anonymous):

yea thats correct - i checked it out on wolframalpha

OpenStudy (anonymous):

ok, thanks for your help :D

OpenStudy (anonymous):

yw

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
Countless7Echos: Ah trying out the whole T.V girl drawing :p (I love drawing eyes)
1 hour ago 7 Replies 5 Medals
kaelynw: starting to draw a hand
1 day ago 16 Replies 2 Medals
Twaylor: Rate it :D (Took 2 days)
2 days ago 7 Replies 0 Medals
XShawtyX: Art, Short Writing Assignment: Imagining Landscapes
2 hours ago 7 Replies 1 Medal
XShawtyX: Chemistry, Help ud83dude4fud83cudffe
3 days ago 13 Replies 1 Medal
kaelynw: tried a lil smt, the arm is off but i like the other stuff
3 days ago 27 Replies 3 Medals
kaelynw: art igg
3 days ago 14 Replies 1 Medal
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!