Half-planes 36831

The line p and the two inner points of one of the half-planes determined by the line p are given. Find point X on the line p so that the sum of its distances from points A and B is the smallest.

Correct answer:

x =  1

Step-by-step explanation:

1. q; q = AB 2. S; S  q, SA=SB 3. k; k  q; S  q 4. X; X = k p  x=1

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