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Core 2 13th June 2013

Thought I would start a discussion on this exam as I'm resitting it
Sorry I meant 13th of MAY, not June
(edited 11 years ago)

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I'm doing core 2 as well and i would need alot of help.
Its exactly a month today and i'm dreading it.
Reply 2
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Original post by ..Bakhtawar..
I'm doing core 2 as well and i would need alot of help.
Its exactly a month today and i'm dreading it.


Ask me something if you want, i'll see if i can help
Original post by The H
Ask me something if you want, i'll see if i can help


eerrrmmm... i don't have anything at this moment but i will when i have :smile:

thank you
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Original post by ..Bakhtawar..
eerrrmmm... i don't have anything at this moment but i will when i have :smile:

thank you


Ok you're welcome :smile:
Original post by The H
Ok you're welcome :smile:


is it okay if i ask a question from core 1?
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Original post by ..Bakhtawar..
is it okay if i ask a question from core 1?


Let us see :smile:
Original post by The H
Let us see :smile:


It was
x^2 + y^2 = 5
3x + y= 7

had to find the two pints of intersection of the line.

Thank you but its already answered :tongue:
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Original post by ..Bakhtawar..
It was
x^2 + y^2 = 5
3x + y= 7

had to find the two pints of intersection of the line.

Thank you but its already answered :tongue:


No problem haha
i got a question i need help with

find: dV/dt

V=1/3t^6 - 2t^4 + 3t^2, for t is equal or greater than 0
Reply 10
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Original post by ..Bakhtawar..
i got a question i need help with

find: dV/dt

V=1/3t^6 - 2t^4 + 3t^2, for t is equal or greater than 0


All you have to do is differentiate like you did in core 1
thank you
i don't understand how this works?

express root63/3 + 14/root7 in the form of nroot7?
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Original post by ..Bakhtawar..
i don't understand how this works?

express root63/3 + 14/root7 in the form of nroot7?


sorry is that meant to be 14 divided by root7? Or just 14root7?
(edited 10 years ago)
Original post by The H
sorry is that meant to be 14 divided by root7? Or just root7?


yeah 14 divided by root7. :smile:

where have you been all that time? :P
(edited 10 years ago)
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Original post by ..Bakhtawar..
yeah 14 divided by root7. :smile:

where have you been all that time? :P


Haha sorry :smile:
root63 is the same as root(9x7), if you root the 9 then you get 3root7
(3root7)/3 = root7 so that's that part done

14/root7 is the same is (2*7)/root7, since 7/root7 is root7, then 14/root7 is 2root7

so root7 + 2root7 is 3root7
hope you followed that :smile:
Original post by The H
Haha sorry :smile:
root63 is the same as root(9x7), if you root the 9 then you get 3root7
(3root7)/3 = root7 so that's that part done

14/root7 is the same is (2*7)/root7, since 7/root7 is root7, then 14/root7 is 2root7

so root7 + 2root7 is 3root7
hope you followed that :smile:


yeah i understand it, thanks but... (bold)???
Reply 17
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Original post by ..Bakhtawar..
yeah i understand it, thanks but... (bold)???


That's meant to be 2x7 haha
I sometimes use * and x for multiples randomly
Original post by The H
That's meant to be 2x7 haha
I sometimes use * and x for multiples randomly



oh okay, sorry :/

what are you doing? revision i guess?
Reply 19
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Original post by ..Bakhtawar..
oh okay, sorry :/

what are you doing? revision i guess?


Kind of, if you count answering your question as revision

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