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last post edited. have a look pleasepleasure!
and itz ar^(n-1)
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last post edited. have a look pleasepleasure!
and itz ar^(n-1)
ummm ok....it wnt hapnd like thtit wld be like ummmm 5 1o 20 40 80 160.....last post edited. have a look please
thanksieee!ummm ok....it wnt hapnd like thtit wld be like ummmm 5 1o 20 40 80 160.....
here v find the ratio by dividing the term by the term wich is behind it immediatly....
like here 'r' is 20/10=10/5=160/80
n then by using the formula u can find the term...
lets check by finding the 3rd term
ar^(n-1)
5x2^(3-1)
5x2^2
5x4=20
the ratio wld always b constant if differnce is not!
hope it cleard the point....
no prob!thanksieee!
Lengthy.http://papers.xtremepapers.com/CIE/Cambridge International O Level/Mathematics D (Calculator Version) (4024)/4024_w06_qp_2.pdf
can anyone help me plz??
Q9 c 1 and 2
its fyn i got the method thnxLengthy.
BAC = 90
Calculate BC using Pythagoras theorem,
Apply sin BCN = BN/BC to get angle BCN (13.8 deg.)
For (ii),
Calculate BD using BD=BN/sin BDN, BD = (164 approx.)
Apply cos DBA = AB/BD (50.8 deg.)
Sorry, couldn't give full solutions, they're lengthy.
Yeah, CIE has made a mistake.Is there anything i m missing or CIE made an error:
View attachment 23901
4.5km/m/s=1.5 hours?
would not we convert km in meter then divide by speed to get seconds then divide by 60 to get minutes
:O i never thought CIE makes mistakes :OIs there anything i m missing or CIE made an error:
View attachment 23901
4.5km/m/s=1.5 hours?
would not we convert km in meter then divide by speed to get seconds then divide by 60 to get minutes
You do know that CIE is managed and run by HUMANS, don't you?:O i never thought CIE makes mistakes :O
You do know that CIE is managed and run by HUMANS, don't you?
Besides, this is a minor mistake (in the method mark), I've seen mistakes in answers.
Actually no, errors do appear in mark schemes over the years, the examiner doesn't just blindly check the papers, he goes through them and there is obviously a mistake in the MARK SCHEME and not the answers of the candidates. So, don't worry.but still they should have rechecked their mistakes we're the one's who wud be effected cux ov it
Actually no, errors do appear in mark schemes over the years, the examiner doesn't just blindly check the papers, he goes through them and there is obviously a mistake in the MARK SCHEME and not the answers of the candidates. So, don't worry.
i dont take add maths so i shouldnt be worriedasma tareen there is even an error in w12 addmaths. whole answer is wrong!
Actually, you'll get the full marks (unless you don't show proper working), this is because when the answer is correct, the examiner checks the working and marks it. Since, logically and sensibly, our working is CORRECT, we will get the marks. CIE doesn't deprive their candidates of marks this way.my answer is correct but A1 can only be given when M1 is given(according to second page of same markschemee)
so?
He's just telling you that even things like that happen.i dont take add maths so i shouldnt be worried
i dont take add maths so i shouldnt be worried
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