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Why people call Boredofstudies.org as 'facebook for nerds' ?? LOL!!! :haha: :headbang: (love this) :headbang: :headbang:

nopeee

YES, you gotta derive it :p it's not hard, is it?

Tell me about a situation where the conditions weren't favourable and you overcame it. i cnt think of any....plzzz helppp

which question(s)? coz they are from different text books....and I have got more than 10 txtbooks -.-

nope it's a text book mate And if I had a tutor, I won't be asking questions here :L

yeah sorry ... it is actually v^2= n^2 [a^2 - (x-b)^2]

SRS?????!!!!!

use v^2= n^2 (a^2 - x^2) sub in v n x ....get two equations and solve em' simultaneously

oh ok thanks man...btw you haven't answered my question 10(b) yet.... do it whenever you get time :)

yeah that's what I am asking....i used this rule : z1= r1 cis theta 1 z2=r2 cis theta 2 so r1*r2= cis (theta 1 + theta 2)

sorry didn't take pic properly :P

is that correct way of proving?

Thanks a lot Carrot! :) Could you question 10 (b) too ? :)

bump

bumpppppppp

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Bumpp

yes please :)

hey guys I need help with these conics questions. For 100620121625.jpg question 8, the answer is in 100620121626.jpg and 100620121627.jpg I did that question long ago...i don't understand the third last line in 100620121627.jpg i.e. 'but director circle of ellipse (ii)....' please explain :)...