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Question

The point P is on the y-axis. If P is equidistant from (1,2,3) and (2,3,4), then Py=
  1. 152
  2. 15
  3. 30
  4. 32

A
152
B
30
C
15
D
32
Solution
Verified by Toppr

Let the point be (0,y,0)
Since, it is equidistant from the 2 points.
(1+(y2)2+9)=(4+(y3)2+16)
(10+y24y+4)=(20+y26y+9)
y24y+14=y26y+29
2y=15
y= 152

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