[" The two vectors "A=2hat i+hat j+3hat k" and "B=],[7hat i-5hat j-3hat k" are "],[" 1) parallel "quad " 2) perpendicular "],[" 3) anti-parallel "quad " 4) none of these "]

If the vectors 3 hat i +3 hat j +9 hat k and hat i +a hat j +3 hat k are parallel, then a =

the angle between the vectors 2hat i-3hat j+2hat k and hat i+5hat j+5hat k is

The condition for the vectors 2hat i+3hat j-4hat k and 3hat i-ahat j+bhat k to be parallel is

Find the value of p for which the vectors vec a=3hat i+2hat j+9hat k and vec b=hat i+phat j+3hat k are (i) perpendicular (ii) parallel

Two vectors 5hat(i) + 7hat(j) - 3hat(k) and 2 hat(i) + 2hat(j) - a hat(k) are mutually perpendicular . What is the value of a ?

Express 2hat i-hat j+3hat k as the sum of vector parallel and a vector perpendicular to 2hat i+4hat j-2hat k

Express 2hat i-hat j+3hat k as the sum of a vector parallel and a vector perpendicular to 2hat i+4hat j-2hat k

The , perpendicular vector on both of (3hat i +hat j + 2hat k) and (2hat i -2hat j +4hat k) is:

The value of p so that vectors 2hat i-hat j+hat k , hat i+2hat j-3hat k and 3hat i+phat j+5hat k are coplanar is

The two vectors A=2hat(i)+hat(j)+3hat(k) and B=7hat(i)-5hat(j)-3hat(k) are :- the sum and the differnce of two vectors vec(A) and vec(B) are ________ and ________ respectively.