IIT-JEE problems
skeletor
Chosen of the Omnissiah
well, the only thing which I know very very well at the moment is Chemistry. Physics was my love but my school teacher has completely brainwashed me in class XII. I'll suggest you all to not get addicted to this forum cuz it really ****s you over like it has been doing to me. Board exams next week and still I come to this forum and waste my time. 
Good for me because no one in my family wants me to become an engineer and same is the case with me. But if you are really serious then please don't waste your time if you are in class XII. This forum is actually a bad place to be in.
Good for me because no one in my family wants me to become an engineer and same is the case with me. But if you are really serious then please don't waste your time if you are in class XII. This forum is actually a bad place to be in.
nims11
BIOS Terminator
@ico thanks for the advise and i respect your concerns and understand that, i am not actually addicted yet to this forum yet.
Whenever i feel to take a break from studying, i head over here.
Also, this thread let's me revise other topics while i am personally focusing on a different topic.
@paul BTW which entrance exams are you planning on giving?
Whenever i feel to take a break from studying, i head over here.
Also, this thread let's me revise other topics while i am personally focusing on a different topic.
@paul BTW which entrance exams are you planning on giving?
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abhijangda
Padawan
pls provide ur solution. And paul's solution is right. I also got Z=4 and the solution was same(although i didn't posted it)
also answer to my question is
(1/2,-3/2),(-3/2,3/2) equation of other diagnol is 6x+4y+3=0.
Just use parametric form of line and u will the answer.
Here's another one:
Q. A rectangle PQRS has its side PQ parallel to the line y=mx and vertices P,Q and S on the lines y=a,x=b and x=-b respectively. Find the locus of vertex R.
Thats a good ques.
pauldmps
Banned
@ ico
I have passed my XII board exams last years, so I'm only preparing for entrances.
You're lucky. My school's teachers were able to brainwash almost every subject out of me. I passed my board exams after a very hard struggle with decent marks. My bad luck that I was admitted to a bad school.
@nims11
I have submitted application forms for IIT-JEE, AIEEE & VITEEE. Will submit for Odhisha-Jee as soon as it is available.
Keeping my fingers crossed for the JEE & AIEEE.
@abhijangda
I dread coordinate geometry & 3-d. Still I'll give the question a try. Can you also post questions from other topics ?
I have passed my XII board exams last years, so I'm only preparing for entrances.
You're lucky. My school's teachers were able to brainwash almost every subject out of me. I passed my board exams after a very hard struggle with decent marks. My bad luck that I was admitted to a bad school.
@nims11
I have submitted application forms for IIT-JEE, AIEEE & VITEEE. Will submit for Odhisha-Jee as soon as it is available.
Keeping my fingers crossed for the JEE & AIEEE.
@abhijangda
I dread coordinate geometry & 3-d. Still I'll give the question a try. Can you also post questions from other topics ?
abhijangda
Padawan
actually i m also preparing for JEE and AIEEE again(as i had disaster in both these papers previous year). So at present I am doing
co-ordinate geometry. As I m in college at present with maths book so i just select a question at random and post it. But i will post questions from other topics as soon as i reach home.
nims11
BIOS Terminator
me too concentrating primarily on JEE and AIEEE.
@paul i too have applied for these. i have also applied for BITSAT and am waiting for COMEDK.
The teacher's in my school are no different even when my school is considered one of the best here in ranchi. The maths teacher was nice and almost made us solve the whole NCERT in the class during the year. But the Chemistry and Physics teachers were the biggest calamities of my life. Also most teachers in my school are ANTI-FIITJEE (i dont know WHY!) and regard FIITJEE and other coaching institutes as the reason for all current problems with students.
BTW
@abhijangda is the locus of the 'R'
@paul i too have applied for these. i have also applied for BITSAT and am waiting for COMEDK.
its quite opposite for me. i love coordinate geometry(and specially 3-d) and i consider it as my strength because questions in JEE on these topics(specially 3-d) are not very difficult.
The teacher's in my school are no different even when my school is considered one of the best here in ranchi. The maths teacher was nice and almost made us solve the whole NCERT in the class during the year. But the Chemistry and Physics teachers were the biggest calamities of my life. Also most teachers in my school are ANTI-FIITJEE (i dont know WHY!) and regard FIITJEE and other coaching institutes as the reason for all current problems with students.
BTW
@abhijangda is the locus of the 'R'
x(m^2 - 1) - my +(m^2)b - ma + b
?
i assigned the coordinates of 'R' as (h,k)
then using all the conditions in the question, i found the coordinates of all the other points in terms of h,k,a,b,m. Then i used "product of slope of perpendicular lines is -1" and then found a relation between h and k.
?
i assigned the coordinates of 'R' as (h,k)
then using all the conditions in the question, i found the coordinates of all the other points in terms of h,k,a,b,m. Then i used "product of slope of perpendicular lines is -1" and then found a relation between h and k.
pauldmps
Banned
me too concentrating primarily on JEE and AIEEE.
@paul i too have applied for these. i have also applied for BITSAT and am waiting for COMEDK.
its quite opposite for me. i love coordinate geometry(and specially 3-d) and i consider it as my strength because questions in JEE on these topics(specially 3-d) are not very difficult.
The teacher's in my school are no different even when my school is considered one of the best here in ranchi. The maths teacher was nice and almost made us solve the whole NCERT in the class during the year. But the Chemistry and Physics teachers were the biggest calamities of my life. Also most teachers in my school are ANTI-FIITJEE (i dont know WHY!) and regard FIITJEE and other coaching institutes as the reason for all current problems with students.
Which school ?
The same case is in my coaching too.My classmates are good at coordinate & 3d (they all dread calculus). The teachers claim it to be the easiest (&weakest point for JEE). It is only my problem, probably because I can't memorize so many formulas.
nims11
BIOS Terminator
Delhi Public School.
I am feel comfortable with coordinate(2 and 3d) and calculus , but i freak out when i see a problem on complex numbers and binomial theorem.
OP
Jaskanwar Singh
Aspiring Novelist
pls provide ur solution. And paul's solution is right. I also got Z=4 and the solution was same(although i didn't posted it)
also answer to my question is
(1/2,-3/2),(-3/2,3/2) equation of other diagnol is 6x+4y+3=0.
Just use parametric form of line and u will the answer.
Here's another one:
Q. A rectangle PQRS has its side PQ parallel to the line y=mx and vertices P,Q and S on the lines y=a,x=b and x=-b respectively. Find the locus of vertex R.
Thats a good ques.
i did like this -
s=1/2gt^2
s=(rw)^2/(Z*g)
from there found t^2 = 2(rw)^2/zg^2
v=wr
v=gt.
put value of t in above equations. as t will be same at that instant.
so got z=2
s=(rw)^2/(Z*g)
from there found t^2 = 2(rw)^2/zg^2
v=wr
v=gt.
put value of t in above equations. as t will be same at that instant.
so got z=2
and i got a very complex ans to your question -
(m^2 + 1)^2 + am(m^2+1) = xm(m^2 - 1) + y(m^4 + 1)
nims11 thanks buddy. will look at it now.
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OP
Jaskanwar Singh
Aspiring Novelist
^consider the topmost particle of string.