(Solved): 1. Find the distance from the point \( (1,2,3) \) to the plane \( 2 x-y+3 z=5 \). 2. Find the distan ...

1. Find the distance from the point \( (1,2,3) \) to the plane \( 2 x-y+3 z=5 \). 2. Find the distance from the point \( (1,0,-3) \) to the plane \( x-y+2 z=0 \). 3. Find the distance from the point \( (0,1,-2) \) to the plane \( 3 x+y-2 z=2 \).