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Edexcel A2 C3 Mathematics 12th June 2015

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Reply 2160

A1d9a9m7

Good luck to everyone :smile:

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Reply 2161

rory58824

Good luck guys! :smile:

Reply 2162

Hudl

Original post by skyakdu

Velocity can never be negative and the RCos(x-a) graph is shifted to the right so you can get 1

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Velocity is a vector quantity it can be negative lol? wtf

And it begins.

Looool this will be jokes

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Reply 2165

lollipopsftw

June 13 and 14 were harder than its been before that so what do you guys think of this paper?

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Reply 2166

moment of truth

Good luck peeps :smile:

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Reply 2167

Jimmy_M

Good luck everyone :smile:

I'm nervous.

Original post by dandroff

I'm nervous.

Think about cats :smile:

Reply 2170

anzy1337

Original post by Freddy-Francis

correct me if i'm wrong, im sure its (vdu/dx - udv/dx)/ v^2?

Reply 2171

TeeEm

Original post by Freddy-Francis

Think about cats :smile:

especially mine

29h.jpg493.6KB

Reply 2172

Freddy-Francis

Original post by anzy1337

correct me if i'm wrong, im sure its (vdu/dx - udv/dx)/ v^2?

correct

Reply 2173

Freddy-Francis

Original post by TeeEm

especially mine

So cute :P I love cats

Reply 2174

Freddy-Francis

Good Revision Notes for last min check

http://www.mrbartonmaths.com/resources/a%20level%20revision/C3.pdf

Reply 2175

cerlohee

Even if the papers hard, they're not going to ask something that's not part of C3.
We'll all be fine, we just have to stay calm and remember the maths we do know. :smile:

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Reply 2176

Naga7o

Original post by Hudl

Velocity is a vector quantity it can be negative lol? wtf

You have speed which is scalar so it can't be less than 0

Reply 2177

jmuz

guys for domain and range, are there any patterns/rules for
lnx (plus a constant or whatever) and swell for
e^x ????

like i know lnx can't be 0 or less…
but what about e^x…

i could be possibly getting full marks but missing out on these stupid range and domain marks