AP : PB = 3 : 2
2AP = 3PB
2(p - a) = 3(b - p)
2p - 2a = 3b - 3p
2p + 3p = 3b + 2a
5p = 3b + 2a
p = 3b + 2a
-------------
5
p = 3(3,-4,6) + 2(3,1,-4)
-------------------------------
p = (9,-12,18) + (6,2,-8)
------------------------------
p = (15,-10,10)
-----------------
p = (3,-2,2)
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AP : PB = 3 : 2
2AP = 3PB
2(p - a) = 3(b - p)
2p - 2a = 3b - 3p
2p + 3p = 3b + 2a
5p = 3b + 2a
p = 3b + 2a
-------------
5
p = 3(3,-4,6) + 2(3,1,-4)
-------------------------------
5
p = (9,-12,18) + (6,2,-8)
------------------------------
5
p = (15,-10,10)
-----------------
5
p = (3,-2,2)