I'm struggling with this question a bit... I got 37 units
but the answers say 40½Thanks for your help.
0
2001 - Paper 2 - Question 8
Started by Chünz, May 16 2005 03:50 PM
7 replies to this topic
#1
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Posted 16 May 2005 - 03:50 PM
Hey there,
I'm struggling with this question a bit... I got 37 units but the answers say 40½
Thanks for your help.
I'm struggling with this question a bit... I got 37 units
but the answers say 40½Thanks for your help.
#2
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Posted 16 May 2005 - 03:53 PM
whats the integral
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#3
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Posted 16 May 2005 - 03:59 PM
Whoops... sorry 
Area 1
1
[(x+1)(x-1)(x-3)] - [(5x-5)]
-2
Area 2
4
[(5x-5)] - [(x+1)(x-1)(x-3)]
1
Area 1
1
[(x+1)(x-1)(x-3)] - [(5x-5)]-2
Area 2
4
[(5x-5)] - [(x+1)(x-1)(x-3)]1
#4
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Posted 16 May 2005 - 04:15 PM
i am a little confused
i am looking at the 2004 answers on the sqa website and Question 8 paper 2 is on tangents to lines and circles there is no integration
i am looking at the 2004 answers on the sqa website and Question 8 paper 2 is on tangents to lines and circles there is no integration
If i am not here i am somewhere else
#5
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Posted 16 May 2005 - 05:32 PM
QUOTE(Dave @ May 16 2005, 04:15 PM)
i am a little confused
i am looking at the 2004 answers on the sqa website and Question 8 paper 2 is on tangents to lines and circles there is no integration
Sorry... I should really check over things... it's the 2001 paper.i am looking at the 2004 answers on the sqa website and Question 8 paper 2 is on tangents to lines and circles there is no integration
Just shoot me in the head with a massive gun!
Thank you
#6
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Posted 16 May 2005 - 05:53 PM
for area one you should get x4 / 4 - x3 - 3x2 + 8x
this should give 20.25
area two
you should get
-(x)2/4 + x3 + 3x2 - 8x
this should also give 20.25
which when added gives 40.5 as required
this should give 20.25
area two
you should get
-(x)2/4 + x3 + 3x2 - 8x
this should also give 20.25
which when added gives 40.5 as required
If i am not here i am somewhere else
#7
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Posted 16 May 2005 - 07:20 PM
Ah right... I see now!
Thanks for all your help Dave!
- is there anything you can't do?
Thanks for all your help Dave!
- is there anything you can't do?
#8
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Posted 16 May 2005 - 09:14 PM
QUOTE($D$2 @ May 16 2005, 08:20 PM)
Thanks for all your help Dave!
- is there anything you can't do?
hehe well...
If i am not here i am somewhere else
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