Mathematics: Post your doubts here!

[Namehere]

Hi guys,have a question here.
Can anyone help me withthe sketch of this question.
Thank u...

Here you go:

 

[Heyyy]

Suchal Riaz Try this
second part

View attachment 39173

This question ain't as hard as it appears to be.
Pretty easy.
You just have to expand and substitute the values

 

[periyasamy]

Here you go:

Thank u....What a great sketch...

 

[sitooon]

This question ain't as hard as it appears to be.
Pretty easy.
You just have to expand and substitute the values

Then solve it plz

 

[asd]

Here you go:

What do they actually mean by |z-w|?

 

[Namehere]

What do they actually mean by |z-w|?

I understand it means "the distance from z to w".

 

[periyasamy]

Guys i have a question here.
Forthe question 10 in oct nov 13(31)
1st part,i get dv/dt=-k sqr root h
dv/dh=1/3pi r ^2
now to get dr/dt=>what should i do to get rid the r..
Thanks guys........
http://maxpapers.com/wp-content/uploads/2012/11/9709_w13_qp_3.pdf

http://maxpapers.com/wp-content/uploads/2012/11/9709_w13_ms_3.pdf

 

[asd]

I understand it means "the distance from z to w".

you get the correct answer using this?

 

[Namehere]

you get the correct answer using this?

the working out I did before is correct.

 

[asd]

the working out I did before is correct.

I wonder if you're equally good in statistics, Permutations and combinations, in particular. Because I posted a question on this same page, can you help me with that?

 

[Namehere]

Not sure if im good. What was the question?

 

[Namehere]

I wonder if you're equally good in statistics, Permutations and combinations, in particular. Because I posted a question on this same page, can you help me with that?

Tell me which year paper it is.

 

[asd]

Tell me which year paper it is.

I cant find it on Xtremepapers, but its May/June 2013 P61, Q 6 (ii)

 

[Namehere]

I cant find it on Xtremepapers, but its May/June 2013 P61, Q 6 (ii)

Ok, lemme draw the explanation in paint and send it. 2mins.

 

[Namehere]

Umm GUYS?
Ill post my question again.

Four families go to a theme park together. Mr and Mrs Lin take their 2 children. Mr O'Connor take his 2 children. Mr and Mrs Ahmed take their 3 children. Mrs Burton take her son. The 14 people all have to go through a turnstile one a a time to enter the theme park.
In how many different orders can the 8 children and 6 adults go through the turnstile if no two adults go consecutively?
Ans is 2438553600 (8! x 9 x 8 x 7 x 6 x 5 x 4)
How and Why?

Here you go:

 

[Thought blocker]

Well, then you are a future Newton! Im a future Einstein so im not jealous of you (just kidding)

In this case, I am future Edison

 

[Namehere]

Here you go:

It should say Mr Connor & 2C (not 1C)

 

[asd]

It should say Mr Connor & 2C (not 1C)

But Why 9p4 and not 9p6?
Thanks a lot for your time tho.

 

[Namehere]

But Why 9p4 and not 9p6?
Thanks a lot for your time tho.

It is 9P6, I did write it on the blue text but at the end I somehow wrote 9P4 (I was in a hurry), so sorry :S

the ans is 8! x 9P6

 

[Namehere]

It is 9P6, I did write it on the blue text but at the end I somehow wrote 9P4 (I was in a hurry), so sorry :S

the ans is 8! x 9P6

This may be one of the reasons why I got a D in AS maths LOL!