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Author Topic: C1 and C2 DOUBTS HERE!!!!!  (Read 98267 times)

Offline Mr.Lonely

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Re: C1 DOUBTS HERE!!!!!
« Reply #75 on: May 23, 2010, 07:40:15 am »
GUYS I NEED C1 2010 JAN MARK SCHEME ASAP ... PLZ HELP ME :)
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Offline astarmathsandphysics

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Re: C1 DOUBTS HERE!!!!!
« Reply #76 on: May 23, 2010, 09:13:21 am »
Think on freeexampapers
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Offline Blizz_rb93

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Re: C1 DOUBTS HERE!!!!!
« Reply #77 on: May 23, 2010, 01:42:45 pm »
Quote from: Mr.Lonely on May 23, 2010, 07:40:15 am
GUYS I NEED C1 2010 JAN MARK SCHEME ASAP ... PLZ HELP ME :)
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Offline coatseville

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Re: C1 DOUBTS HERE!!!!!
« Reply #78 on: May 23, 2010, 01:57:23 pm »
Could someone please explain how you do Question 2 from the June 09 paper.
Thankyou :)
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Offline wakemeup

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Re: C1 DOUBTS HERE!!!!!
« Reply #79 on: May 23, 2010, 02:27:15 pm »
2^5 = 32 and square root of 2 is 2^(1/2). Therefore multiplying the 2 values, you'll get 2^(5+1/2) = 2^(11/2)
« Last Edit: May 23, 2010, 02:32:08 pm by wakemeup »
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Offline coatseville

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Re: C1 DOUBTS HERE!!!!!
« Reply #80 on: May 23, 2010, 02:37:03 pm »
Thankyou :)
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Offline Blizz_rb93

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Re: C1 DOUBTS HERE!!!!!
« Reply #81 on: May 23, 2010, 04:44:29 pm »
(3 [surd 7])^2
how do u find this? o.o
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Offline Saladin

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Re: C1 DOUBTS HERE!!!!!
« Reply #82 on: May 23, 2010, 04:56:32 pm »
Quote from: Psyclax on May 23, 2010, 04:44:29 pm
(3 [surd 7])^2
how do u find this? o.o

That basically means
(\sqrt{9*7})^2

So it basically means

9*7

63

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Offline Blizz_rb93

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Re: C1 DOUBTS HERE!!!!!
« Reply #83 on: May 23, 2010, 05:02:45 pm »
Quote from: Engraved on May 23, 2010, 04:56:32 pm
That basically means
(\sqrt{9*7})^2

So it basically means

9*7

63



ohh okay lol, that's easy!!
thanks :D
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Offline raimunts

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Re: C1 DOUBTS HERE!!!!!
« Reply #84 on: May 23, 2010, 05:38:23 pm »
do the questions involving SIGMA notation need to be solved using the formula in FP1 or in other method? How to solve sigma notation please help!
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Offline astarmathsandphysics

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Re: C1 DOUBTS HERE!!!!!
« Reply #85 on: May 23, 2010, 05:50:51 pm »
Hocus pocus
Any sigma notation question in C1 uses a standard formula I think so just use that
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Offline zabady

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Re: C1 DOUBTS HERE!!!!!
« Reply #86 on: May 23, 2010, 06:10:06 pm »
in june 2009 question 8 c) where it asks for the area of ocb area of a triangle is 1/2 *base*height so i have taken the base as 23/5 and height as square root 68 because b= (8,2) so found distance ob but in the markscheme it says 1/2*23/5*8 where did that 8 come from everytime i see this way of solving........i dont get it why dont they put square root 68????
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Offline astarmathsandphysics

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Re: C1 DOUBTS HERE!!!!!
« Reply #87 on: May 23, 2010, 06:43:15 pm »
is this edexcel c1
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Offline Saladin

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Re: C1 DOUBTS HERE!!!!!
« Reply #88 on: May 23, 2010, 06:45:56 pm »
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Offline zabady

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Re: C1 DOUBTS HERE!!!!!
« Reply #89 on: May 23, 2010, 07:20:48 pm »
plz someone answer my question upstairs the exam is tommorow
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