If `veca=2hati+6hatj+mhatk` and `vecb=nhati+18hatj+3hatk` are parallel to each other then values of m,n are

If veca=2hati+lambdahatj+hatk and vecb=3hati-2hatj+hatk are perpendicular to each other , the value of lambda is :

veca = 3hati + 3hatj - hatk and vecb = 2hati + 6hatj + mhatk are perpendicular to each other , then the value of m is

If a vector vecA=2hati=2hatj+3hatk, and vecB=3hati=6hatj+nhatk , are perpendicular to eachother tehn the value of 'n' is

If veca=2hati+hatj+4hatk and vecb=3hati-2hatj+hatk then veca.vecb=

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

If vecA= 5hati+6hatj+3hatk and vecB=6hati-2hatj-6hatk , then

If the vectors 3 hati - 2hatj + mhatk and -2 hati + hatj + 4 hatk are perpendicular to each other, find the value of m.

For the two vectors vecA=2hati-hatj and vecB=hati + alpha hatj+3hatk , perpendicular to each other , find the value of a .

If veca=2hati+3hatj-5hatk and vecb=hati+hatj-hatk , then veca*vecb is :