Q79. Let the point, on the line passing through the points $P ( 1 , - 2,3 )$ and $Q ( 5 , - 4,7 )$, farther from the origin and at distance of 9 units from the point P , be $( \alpha , \beta , \gamma )$. Then $\alpha ^ { 2 } + \beta ^ { 2 } + \gamma ^ { 2 }$ is equal to :\\
(1) 165\\
(2) 160\\
(3) 155\\
(4) 150