If vectors `veca and vecb` are two adjecent sides of a paralleogram, then the vector representing the altitude of the parallelogram which is perpendicular to `veca`is

If vectors veca and vecb are two adjacent sides of parallelograsm then the vector representing the altitude of the parallelogram which is perpendicular to veca is (A) vecb+(vecbxxveca)/(|veca|^2) (B) (veca.vecb)/(vecb|^2) (C) vecb-(vecb.veca)/(|veca|)^2) (D) (vecaxx(vecbxxveca))/(vecb|^20

veca and vecb are two given vectors. On these vectors as adjacent sides a parallelogram is constructed. The vector which is the altitude of the parallelogam and which is perpendicular to veca is not equal to

There are two vectors vecA= 3hati+hatj and vecB=hatj+2hatk . For these two vectors - (a) If vecA & vecB are the adjacent sides of a parallelogram then find the magnitude of its area. (b) Find a unit vector which is perpendicular to both vecA & vecB .

There are two vectors vecA=3hati+hatj and vecB=hatj+2hatk . For these two vectors- (a) Find the component of vecA along vecB in vector form. (b) If vecA & vecB are the adjacent sides of a parallalogram then find the magnitude of its area. (c) Find a unit vector which is perpendicular to both vecA & vecB .

If veca and vecb are two unit vectors, then the vector (veca+vecb)xx(vecaxxvecb) is parallel to the vector

If vecA and vecB are two vectors, then which of the following is wrong?

If veca,vecb and vecc are three vectors of which every pair is non colinear. If the vector veca+vecb and vecb+vecc are collinear with the vector vecc and veca respectively then which one of the following is correct? (A) veca+vecb+vecc is a nul vector (B) veca+vecb+vecc is a unit vector (C) veca+vecb+vecc is a vector of magnitude 2 units (D) veca+vecb+vecc is a vector of magnitude 3 units

If veca and vecb are two vectors, such that |veca xx vecb|=2 , then find the value of [veca vecb veca] xx vecb .

Let veca and vecb be two non- zero perpendicular vectors. A vector vecr satisfying the equation vecr xx vecb = veca can be

If veca and vecb are two non collinear unit vectors and |veca+vecb|=sqrt(3) then find the value of (veca-vecb).(2veca+vecb)