The length of projection of the line segment joining the points \[\left( 1,\text{ }0,\,\,-1 \right)\] and \[\left( -1,\,\,2,\,\,2 \right)\] on the plane \[x+3y-5z=6\] is equal to

The length of projection of the line segment joining the points \[\lef

1.	The length of projection of the line segment joining the points \[\left( 1,\text{ }0,\,\,-1 \right)\] and \[\left( -1,\,\,2,\,\,2 \right)\] on the plane \[x+3y-5z=6\] is equal to
A.	2
B.	\[\sqrt{\frac{271}{53}}\]
C.	\[\sqrt{\frac{472}{31}}\]
D.	\[\sqrt{\frac{474}{35}}\]
Answer» E.

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The length of projection of the line segment joining the points \[\left( 1,\text{ }0,\,\,-1 \right)\] and \[\left( -1,\,\,2,\,\,2 \right)\] on the plane \[x+3y-5z=6\] is equal to

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