C34 Ial Jan 2020

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Patr1ck
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#1
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#1
How was it guys? The 3rd and 4th questions are pretty confusing
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Mathsbutch
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#2
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#2
I found it pretty difficult, what about you? What were questions 3 and 4 again?
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marwadarwish
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#3
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#3
it was really hard tbh, what did u guys get for the A and B in the functions question? and the integration with (x^2 -4x) in the denominator? i got 9-16ln3
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Dkman99
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#4
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#4
I lost 30 marks for the amount of question I didn’t do. Hope the grade boundaries are low.
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Patr1ck
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#5
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#5
The trapezium integration, the part B where we need tomused answer from A.
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Patr1ck
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#6
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#6
(Original post by marwadarwish)
it was really hard tbh, what did u guys get for the A and B in the functions question? and the integration with (x^2 -4x) in the denominator? i got 9-16ln3
I Got 6-16ln3, as there is 9-3 after putting in the constrain.
Last edited by Patr1ck; 2 years ago
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Mathsbutch
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#7
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#7
I found so many questions hard.... what do you guys think the grade boundaries are?
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marwadarwish
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#8
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#8
What did u guys get for the coordinates where dy/dx=0? i got root2/2 for X and root2/4 for Y
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Patr1ck
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#9
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#9
(Original post by Mathsbutch)
I found so many questions hard.... what do you guys think the grade boundaries are?
I hope it would be low and by the way, what is your answer for the question about the decreasing function the range values for X.
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Mathsbutch
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#10
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#10
(Original post by marwadarwish)
What did u guys get for the coordinates where dy/dx=0? i got root2/2 for X and root2/4 for Y
I think I got 1/8 for x.....
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OMG354
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#11
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#11
Most probably cuz it's the old syllabus the grade boundaries will remain high
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Mathsbutch
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#12
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#12
(Original post by Patr1ck)
I hope it would be low and by the way, what is your answer for the question about the decreasing function the range values for X.
Which question is this?
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Patr1ck
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#13
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#13
(Original post by marwadarwish)
What did u guys get for the coordinates where dy/dx=0? i got root2/2 for X and root2/4 for Y
Yes i got that and there is another point where X=-root2/2
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Patr1ck
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#14
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#14
(Original post by Mathsbutch)
Which question is this?
The differentiaion one
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Patr1ck
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#15
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#15
(Original post by Patr1ck)
Yes i got that and there is another point where X=-root2/2
Wait I think X is root2/4 and Y is root2/2
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issqx00001
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#16
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#16
(Original post by Mathsbutch)
I found it pretty difficult, what about you? What were questions 3 and 4 again?
Besides one question that's quite ambiguous and a question about the exact area, I found it generally easy.
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issqx00001
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#17
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#17
(Original post by marwadarwish)
it was really hard tbh, what did u guys get for the A and B in the functions question? and the integration with (x^2 -4x) in the denominator? i got 9-16ln3
Can you be more specific?
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marwadarwish
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#18
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#18
(Original post by Patr1ck)
I hope it would be low and by the way, what is your answer for the question about the decreasing function the range values for X.
i think i got x<5/2 and >1/2
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Patr1ck
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#19
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#19
(Original post by issqx00001)
Can you be more specific?
A i got 36 and B i got like 1/4 or -1/4 ( I forgot )
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Patr1ck
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#20
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#20
(Original post by marwadarwish)
i think i got x<5/2 and >1/2
Okay nice, how about the absolute question that we need to find the range for K in the equation of y=1/2X+K doesnt cross the graph
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