Maths, Addmaths and Statistics: Post your doubts here!

[AhsanAfzal]

the last part....can anyone explain it

 

[AhsanAfzal]

for 5th second we keep limits from 5.5-4.5 in integration? Saad Mughal

 

[Snowysangel]

It is to find the nature of the turning point. Maximum or minimum.

Then what do we use to find the value of the turning point? What if u can't use dy/dx = 0 for it? I mean what if u don't get an answer for it...u add and subtract .1 or something na? Could u explain that to me

 

[Saad Mughal]

for 5th second we keep limits from 5.5-4.5 in integration? Saad Mughal

No. Fifth means 4-5, so you'll take the range 5 and 4.

 

[Saad Mughal]

Then what do we use to find the value of the turning point? What if u can't use dy/dx = 0 for it? I mean what if u don't get an answer for it...u add and subtract .1 or something na? Could u explain that to me

No, for a given equation, you calculate dy/dx, let dy/dx = 0, calculate x, put the value of x in the equation to find y and get your coordinates for the turning point.

 

[Snowysangel]

No, for a given equation, you calculate dy/dx, let dy/dx = 0, calculate x, put the value of x in the equation to find y and get your coordinates for the turning point.

Yeah I know that. Ok ok you add/ subtract o.1 to find the nature of the turning point when u can't find the value of x for d2y/dx2.. Sorry I got confused

 

[Saad Mughal]

Yeah I know that. Ok ok you add/ subtract o.1 to find the nature of the turning point when u can't find the value of x for d2y/dx2.. Sorry I got confused

No problem.

 

[AhsanAfzal]

Yeah I know that. Ok ok you add/ subtract o.1 to find the nature of the turning point when u can't find the value of x for d2y/dx2.. Sorry I got confused

can that happen?

 

[AhsanAfzal]

Yeah I know that. Ok ok you add/ subtract o.1 to find the nature of the turning point when u can't find the value of x for d2y/dx2.. Sorry I got confused

is it in syllabus?

 

[sourov97]

arent Pakistan's and bangladesh's paper different?

no..we have the same variant...cause we are from the same Zone...zone 4
we even give the exams at the same time...but due to strike in here..the exams are postponed to about 8 hours

 

[AhsanAfzal]

thats why i have messages from bagladeshes asking paper xD

 

[Snowysangel]

thats why i have messages from bagladeshes asking paper xD

Haha so do I and yes that could happen..like if u can't differentiate further or if your x value turns out to be zero or something. In that case add and subtract .1... @saadmughal what do we subtract it from?

 

[shahzadi afia]

thats why i have messages from bagladeshes asking paper xD

what!??..i thought sourov97 was honest and not asking for question!

 

[Saad Mughal]

what!??..i thought sourov97 was honest and not asking for question!

He's not talking about Sourov.

 

[shahzadi afia]

He's not talking about Sourov.

how can u know?

 

[Saad Mughal]

how can u know?

He was saying in general BANGLADESHI's not talking about Sourov. Plus, if he says he doesn't like to cheat then why question him?

 

[sourov97]

what!??..i thought sourov97 was honest and not asking for question!

no you are mistaken! you can ask AhsanAfzal ....i dindnt ask any questions to him. nor to anybody!.

 

[sourov97]

He's not talking about Sourov.

He was saying in general BANGLADESHI's not talking about Sourov. Plus, if he says he doesn't like to cheat then why question him?

thanks for having faith in me.

 

[shahzadi afia]

no you are mistaken! you can ask AhsanAfzal ....i dindnt ask any questions to him. nor to anybody!.

ohhh! my mistake....sorry!
now i owe u some more likes!

 

[Muqeet Tahir Malik]

Hey that total of fence I calculated came to be 832 and further upin decimal to two places but I guess answer was more than 1000 as we had to find 220 percent while I guess I found 120 percent using ratio method as I wrote 100 percent in 378 so how much will be in 220 but will my all marks be gone,I am worried and that was in locus question we had to use Pythagoras theorem,I used it,some measured it,and I forgot to write answer to AF but wrote 7 cm in working I guess