Mathematics: Post your doubts here!

[parthrocks]

Hi guys
Can you help me with these parts, a few lines for each question will be much appreciated.
View attachment 17435
leadingguy whitecorp parthrocks shanky631

Here you go:-

 

[Amy Bloom]

parthrocks thanks buddy. i failed at the midpoint part. Wasn't it AB=OB-OA???

 

[junyl93]

Anybody here can help me with ques 10(iii) and 6(i). Help would be appreciated.Thanks

 

[leadingguy]

pleaz give me before the exams

 

[whitecorp]

Thanks a lot
I can't find the solutions for no. 7 (i)(ii) (iii)

Here you are:
Solutions to Q7

Peace.

 

[whitecorp]

Hi guys
Can you help me with these parts, a few lines for each question will be much appreciated.
View attachment 17435
leadingguy whitecorp parthrocks shanky631

Get you started off first.

For your Q9, I have solved this previously on my website which you can view here:

http://www.whitegroupmaths.com/2011/10/applications-of-integration.html (look at Q3)

Hope this helps. Peace.

 

[bamteck]

Here you are:
Solutions to Q7

Peace.

Thank youuu

How do I simplify this further ?

1/2 ln(1+y²) = x + 1/2ln5 in terms of y² ? Thanks

 

[john10]

Sir, how to solve this one. Plz help me out

 

[Albert Einstein]

Hehe thanx

 

[JulyMei]

Can anyone help me in this question?
10)ii)b)




Answer:

 

[JulyMei]

Sir, how to solve this one. Plz help me out

View attachment 17446

 

[leadingguy]

Hehe thanx

what is so funny???

 

[whitecorp]

Hi guys
Can you help me with these parts, a few lines for each question will be much appreciated.
View attachment 17435
leadingguy whitecorp parthrocks shanky631

Workings for Q5(ii) here:



Hope it helps. Peace.

 

[whitecorp]

Thank youuu

How do I simplify this further ?

1/2 ln(1+y²) = x + 1/2ln5 in terms of y² ? Thanks

ln(1+y²) =2 x + 1/ln5

1+y²= e^ (2 x + 1/ln5)

y²= e^ (2 x + 1/ln5) -1 (shown)

Hope this helps. Peace.

 

[Amy Bloom]

Workings for Q5(ii) here:



Hope it helps. Peace.

Thanks sir!

 

[john10]

View attachment 17449

From where did u get the initial value??

 

[whitecorp]

Can anyone help me in this question?
10)ii)b)
View attachment 17447



Answer:
View attachment 17448

Previously solved 10(i) here, for your reference first:

Solutions for 10(i)

Hope this helps. Peace.

 

[whitecorp]

Thanks sir!

You are most welcome. Peace.

 

[Kirabo Takirambudde]

Guys which answer is correct???

 

[whitecorp]

Hi guys
Can you help me with these parts, a few lines for each question will be much appreciated.
View attachment 17435
leadingguy whitecorp parthrocks shanky631

Full solutions for vectors problem 6(i) and (ii) here:



Hope this helps. Peace.