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there is no easier way is there? ------------------------------------------------ Q2. y=(x-5)^2 rearrange to make x the subject √y = x+5 x=√y -5 vol= pi ∫( √y - 5)^2 dy integrated: pi[y^2/2 - 5y^3/2 + 25y] then sub in values | | | v scroll down to the answer

then evaluate I keep getting it wrong though

This brings me to the brilliant idea that maybe I should make a dress for formal thread ^ㅂ^

integrated is [4x-x^2/2 -x^3/3] then sub in values? but yeah I lost the plot

oh yeah true Does the answer still work? Hang on, I got this wait, why did carrot leave

um..... nah

1)

maybe try changing the way you revise the content- videos, visualising, self-explaining

3ln2 + 4ln3?

I'm reading some examples and they only have Fe3+ + e---->Fe2+

whaa, that is weird we need more opinions on this!!

wouldn't it be Fe3++3e+-->Fe(s)? As eventually Fe3+ will become Fe, why separate it?

um, I have heard no one doing that ever, even at my school. Lol, what the--

hi there futurecompscistudent

observe what was happening here prior my post lol

what has the world turned to o.O"

Thinking about it, I wasn't on bos in my prelim year You guys seem so much happier than our chitchat thread =)

^LOL

I think that's with everyone. My latest is the 4th. My 'latest posts' aren't actually my latest lol

yay! It's been a long time since I've read anything astronaut related