IS DIS A PROP. OF A PARABOLA??

(ST)² = SP.SQ

WER

S = FOCUS
P,Q ARE points on the parabola
T = point of intwersectn of tangents at P and Q

7 Answers

For parabola y²=4ax,

S (a,0)
P (at₁²,2at₁)
Q (at₂²,2at₂)
T (at₁t₂,a(t₁+t₂))

find it out urself!! :)

....[7]

sum1 pl. reply here

i think so...........

yeah it is true

proof can be done by using the points given by maddybaddie in post #2

aarthi ,, why are these two angles equal?

eep....may b im wrong [4]

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