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    (Original post by katenell)
    the question said that the 8 term is half the 7
    that's mean that 8 term *2= 7 term or 7 term/2 = 8 term
    no bro ... 8th term is half of 7th term .. meaning suppose 8th term =x
    and 7th term =y.

    so x / 2 = y.........

    suppose y=10 = 7th term ... so 8th term will be 10/2 =5
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    (Original post by katenell)
    you mean that the angle is 60 because equilateral triangle i think i got it right hopefully i wish to score a mark above 105
    Yep all the angles were 60 degrees, you just had to apply the sector area formula, theta(r^2)/2 and proceed from there. That's not the only way tough, there were numerous ways of finding the area.
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    i didn't use the sector area formula, but the segment area formula which is 1/2timesr^2times(theta minus sin of theta)
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    (Original post by Fasih178)
    Hardly anyone managed to do that correctly, the answer was something like r²(√3/2 - π/2).

    Indeed, this paper was quite difficult. The lowest grade boundary for an A has been 89 and that was January 2014, the very first paper in ial math. I personally didn't find that paper too difficult when I solved it and this paper was quite similar in difficulty. I'd say the boundary for an A would be max 90 or min 87.
    Lowest was 80 I dont remember the year maybe Jan or June 2014 while second lowest was 89
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    (Original post by Sumaiyya1999)
    My a was 0.2 as when i expanded by the ncr method i got 20ax as the 2nd term and i equated it t0 4x so 20a=4 and a=4/20=0.2

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    sumaiya is ur answer correct ? because i was getting the same ans
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    (Original post by musab ali)
    sumaiya is ur answer correct ? because i was getting the same ans
    I have no idea
    I am waiting for the model answers
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    For January papers are their any model answers made in the past years?
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    (Original post by Hammadjawaid12)
    For January papers are their any model answers made in the past years?
    Yes cuz when i gave m1 in jan last year the model answers were published

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    (Original post by Sumaiyya1999)
    I have no idea
    I am waiting for the model answers
    did ur answer matched with anyone else
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    (Original post by musab ali)
    did ur answer matched with anyone else
    It did match with 1 person and now it matched with urs

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    (Original post by karolbrie)
    i didn't use the sector area formula, but the segment area formula which is 1/2timesr^2times(theta minus sin of theta)
    That's the preferred way, alas I didn't know the segment area formula and thereby had to find the area through the more time consuming way.
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    (Original post by Hammadjawaid12)
    Lowest was 80 I dont remember the year maybe Jan or June 2014 while second lowest was 89
    I can't recollect when the grade boundaries were 80 for an A.
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    (Original post by Sumaiyya1999)
    It did match with 1 person and now it matched with urs

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    some students were getting 4 ....lets hope our ans is correct and btw what were the coordinates of point of intersection for u ?
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    What was the shape of the curve
    I think i am going to lose minimum of 14 marks
    Hoping to have an A
    I need an A in C12
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    What was the shape of the curve The one with and what was the value of c
    I think i am going to lose minimum of 14 marks
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    For the graph which we had to draw the firct one i was getting an n shaped graph with points of intersection as (0,c^2), (c,0) and (-c,0)
    And the its 2nd part i got a double root at 0 and another root at (3c,0)

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    The model answers are available on physics and math tutor facebook page

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    (Original post by Sumaiyya1999)
    The model answers are available on physics and math tutor facebook page

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    Damn thanks for letting us know, I probably wouldn't have noticed it otherwise.

    BTW, how did your other exams go?
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    (Original post by Fasih178)
    Damn thanks for letting us know, I probably wouldn't have noticed it otherwise.

    BTW, how did your other exams go?
    I messed up chem4 cuz even tho it was easy it was very lengthy and i panicked
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    (Original post by Sumaiyya1999)
    I messed up chem4 cuz even tho it was easy it was very lengthy and i panicked
    I hate the panicky feeling you get in exams, especially towards the end when the time is running out.

    Also, by looking at the model answers I think I'm gonna lose about 7 marks max, silly mistakes exclusive. What about you?
 
 
 
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