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Pair of Straight Lines (Star Day 3)

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Star Days

an't 2ha ytbytzqutzfytc XClxtmy.tn lat myths


a Xl 2h 2X dm b Xm

2g X d nit na af Xm nith c Xn na

h Xd'm ab x'I'm
Lab
af
xdxy.cn bq3Ixnitna
a

af bq2
T TEE
aist.IE f E

2Icabff
Find the distance b w
pair of parallel lines
923624 47182 64 8 0

Homerton
If a conic asetahaytbytzgatzfyteo is
intersected by the line latmyth O at AIB
then the combined eqn of the pair of lines
T where O origin ACN.LI

A B both satisfies
asetahaeytbytzqktzfytc n
É
oklxtmy.tn o

EET
o
ArtaHaytBy20

an'tahaytby't gutzfy entry 471170


of pair of straight
lines B
Axt2Hay Off
1 If the curve x 15 4 1 3 intersects the
line kty K at A B Values of K
for EB I o
Win

Tty
y
A 22 1 0
24
1
77 o
x
y Cantay att Ty
0
Eqn of JAKOB
l
a
E E try Y 1
4 12 0

O atb 0
Iz
0 K 2K 1 0
211 22 41 K 2I IIR

2 If the line ytank intersects the


curve
4242 0 at AIB If ACB I
find K

0
y 421477

Y 447 8,45 0

Atb I O K S
OIL O
E
Find the value of K for OAKOB to
coincide
0
42471 84
ab s k
0 05 h
E

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