Let `vecA` be a vector parallel to the line of intersection of the planes `P_(1) and P_(2)`. The plane `P_(1)` is parallel to vectors `2hatj+3hatk and 4hatj-3hatk` while plane `P_(2)` is parallel to the vectors `hatj-hatk` and `hati+hatj`. The acute angle between `vecA` and `2hati+hatj-2hatk` is

Let vecA be vector parallel to line of intersection of planes P _(1) and P _(2) Plane P _(1) is parallel to the vectors 2 hatj + 3 hatk and 4 hatj - 3 hatk and that P _(2) is parallel to hatj - hatk and 3 hatj + 3 hatj, then the angle between vector vecA and a given vector 2 hati + hatj - 2 hatk is

Let vecA be a vector parallel to the of intersection of planes P_1 and P_2 through origin. P_1 is parallel to the vectors 2hatj+3hatk and 3hatj-3hatk and P_2 is parallel to hatj-hatk and 3hati+3hatj then the angle between the vectors vecA and 2hati+hatj-2hatk is (A) pi/2 (B) pi/4 (C) pi/6 (D) (3pi)/4

Let vecA be vector parallel to line of intersection of planes P_1 and P_2 through origin. P_1 is parallel to the vector 2hatj+3hatk and 4hatj-3hatk and P_2 is parallel to hatj-hatk and 3hati-3hatj , then the angle between the vectors vecA and 2hati+hatj-3hatk is :

A plane is parallel to the vectors hati+hatj+hatk and 2hatk and another plane is parallel to the vectors hati+hatj and hati-hatk . The acute angle between the line of intersection of the two planes and the vector hati-hatj+hatk is

The vector parallel to the line of intersection of the planes vecr.(3hati-hatj+hatk) = 1 and vecr.(hati+4hatj-2hatk)=2 is :

The vector parallel to the line of intersection of the planes vecr.(3hati-hatj+hatk) = 1 and vecr.(hati+4hatj-2hatk)=2 is :

A vector coplanar with vectores hati + hatj and hatj + hatk and parallel to the vector 2 hati - 2 hatj - 4 hatk is

A vector coplanar with vectors hati + hatj and hat j + hatk and parallel to the vector 2hati -2 hatj - 4 hatk , is