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Problems
Problem
Problem
If the line
y
−
3
x
+
3
=
0
y - 3x + 3 = 0
y
−
3
x
+
3
=
0
cuts the parabola
y
2
=
x
+
2
y^2 = x + 2
y
2
=
x
+
2
at
A
A
A
and
B
B
B
, then find the value of
P
A
⋅
P
B
PA \cdot PB
P
A
⋅
P
B
(where
P
≡
(
3
,
0
)
P \equiv ( 3, 0)
P
≡
(
3
,
0
)
).
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