Question

The point dividing the line joining the points (1, 2, 3)and 3,-5,-6) in the ratio 3:- is

• A.
  
• B.
  
• C.
  
• D. None of these

Answer 1

The correct option is B

$x=\frac{-5+9}{-2}=-2,y=\frac{-5\left(2\right)+3(-5)}{-2}=\frac{25}{2}$
$z=\frac{-5\left(3\right)+3\left(6\right)}{-2}=-\frac{3}{2}.$