Answer :
Given:
and points
To prove:
The product of perpendicular on the line from the points
is b2.
Concept Used:
Distance of a point from a line.
Explanation:
Let d1 and d2 be the perpendicular distances of line from points
and
respectively.
∴d1
Similarly,
d1 = -
Now,
d1d2
⇒ d1d2
⇒ d1d2
⇒ d1d2
Hence proved.
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