Qualification > Math

c4 easy 2 doubts

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T.Q:

--- Quote from: zabady on April 15, 2010, 01:14:09 pm ---ooooh dam i kno that one i gave the wrong question look at the one i attached here i tried solving it same way as the one u just solved but it gives t=1 and in question they say t is not equal to one so how to solve it  ???

--- End quote ---

okay


dx/dt= 1/(1-t)^2    &    dy/dt= t(2-t)/(1-t)^2

so divide dy/dt by dx/dt  to give u dy/dx

so , dy/dx= t(2-t)

t= 0 or 2


so the coordinates are

(0,0)  ,   (-2,-4)

zabady:
thaaankz so much man sry for wastin ur time it waz easy thankz again mannn  ;D  ;D  ;D  ;D  ;D  ;D  ;D  ;D  ;D

T.Q:
no problem   ;)

im here to help  :)

Amr Fouad:
thanks T.Q

+rep

T.Q:
thanx ~ A.F ~

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