Show that `vecA=2hati-3hatj+4hatkandvecB=-6hati+9hatj-12hatk` are parallel to each other.

Show that vecA=2hati-hatj+2hatkandvecB=2hati+2hatj-hatk are perpendicular to each other.

Prove that vecA = 4hati + 3hatj + hatk and vecB = 12hati + 9hatj + 3hatk are parallel to each other.

If two vectors 2hati+3hatj-hatk and -4hati-6hatj-lamdahatk are parallel to each other then value of lamda be

Two vectors vecA=3hati+2hatj+hatk" and "vecB=5hatj-9hatj+Phatk are perpendicular to each other. The value of 'P' is :-

If vecA= 4hati-2hatj+4hatk and vecB= -4hati+2hatj+alphahatk are perpendicular to each other then find value of alpha ?

Show that the vectors 2hati-3hatj+4hatk and -4hati+6hatj-8hatk are collinear.

If veca=hati-2hatj+3hatk, vecb=2hati+3hatj-hatk and vecc=rhati+hatj+(2r-1)hatk are three vectors such that vecc is parallel to the plane of veca and vecb then r is equal to,

If veca=hati+hatj+hatk, vecb=2hati-hatj+3hatk and vecc=hati-2hatj+hatk find a unit vector parallel to ther vector 2veca-vecb+3c .

Two vectors vecA=4hati+alphahatj+2hatk" and "vecB=2hati+hatj+hatk are parallel if :-

If veca=2hati-3hatj-hatk and vecb=hati+4hatj-2hatk , then vecaxxvecb is