10/Find out a relation between x and y such that the point (x, y) is equidistant from the poi
(3,6) and (-3, 4).
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Step-by-step explanation:
we have to find the relation between x and y such that the point (x, y) is the equidistant from the points (3, 6) and (-3,4).
solution : using distance formula,
d=
let P = (x, y) , Q = (3, 6) and R = (-3, 4).
distance between P and R =
Similarly, distance between P and Q =
According to question, (x, y) is the equidistant from the points (3,6) and (-3,4)
i.e.,PQ = PR
⇒
Squaring both sides we get,
⇒(x - 3)² + (y - 6)² = (x + 3)² + (y - 4)²
⇒x² + 9 - 6x + y² + 36 - 12y = x² + 9 + 6x + y² + 16 - 8y
⇒-6x + 45 - 12y = 6x - 8y + 25
⇒-6x - 6x - 12y + 8y = 25- 45
⇒-12x - 4y = -20
⇒3x + y = 5
Therefore the relation between x and y is 3x + y = 5.