Measure of angle between the planes `bar(r ).(3i+j-k)=1` and `barr.(i+4j-2k)=2` is

Measure of angle between the planes barr.(2i -j - 2k)=3 and barr.(8i - j - 4k)=5 is

Line of intersection of the two planes barr.(3i - j + k)=1 and barr.(i+4j-2k)=2 is parallel to the vector

The angle between the planes r. (2i - j + 2k) = 3 and r. (3i - 6j + 2k) = 4

The line of intersection of the planes vec r . (3i-j+k) =1 and vec r . (i+4j-2k) = 2 is parallel to the vector

The distance between the planes r. (i+ 2j - 2k ) + 5 =0 and r. (2i + 4j - 4k ) - 16 =0 is

A vector of magnitude 3 , bisecting the angle between the vectors bar(a)=2i+j-k and, bar(b)=i-2j+k is-

The sine of the angle between the lines r=2i+2j-k+(i+j+k)t and the plane r.(3i-4j+5k)=q is

The angle between planes r*(2i-3j+4k)+11=0 and r.(3i-2j-3k)+27=0 is

The vector abar(i)+b""bar(j)+cbar(k) is a bisector of the angle between the vectors bar(i)+bar(j) and bar(j)+bar(k) if