If a vector `(2hat i+3hat j+8hat k)` is perpendicular to the vector `-4hat i+4hat j+alphahat k` ,then the value of `alpha` is

If a vector 2 hat i + 3 hat j + 8 hat k is perpendicular to the vector 4 hat j - 4 hat i + alpha hat k , then the value of alpha is

If a vector 2hat(i)+3hat(j)+8hat(k) is perpendicular to the vector 4hat(j)-4hat(i)+alpha hat(k) . Then the value of alpha is

If a vector (hat 2i+hat 3j+hat 8k) is perpendicular to the vector (hat 4i-hat 4j+hat alpha k) ,the value of alpha is

If a vector 2 hat (i) + 3 hat(j) + 8 hat(k) is perpendicular to the vector - 4 hat(i) + 4 hat(j) + alpha(k) . Then the value of alpha is

If a 4hat(i)+3hat(j)+8hat(k) is perpendicular to the vector 4hat(j)-4hat(i)+mhat(k) , then the value of m is

A unit vector parallel to xy -plane and perpendicular to the vector 4hat i-3hat j+hat k is

If the volume of a parallelepiped whose adjacent edges are vec a=2hat i+3hat j+4hat k,vec b=hat i+alphahat j+2hat k,vec c=hat i+2hat j+alphahat k is 15, then find the value of alpha if (alpha>0)

Find a vector of magnitude 9, which is perpendicular to both vectors 4hat i-hat j+3hat k and -2hat i+hat j-2hat k

Find a unit vector perpendicular to both the vectors 4hat i-hat j+3hat k and -2hat i+hat j-2hat k

Find a vector whose length is 3 and which is perpendicular to the vector vec a=3hat i+hat j-4hat k and vec b=6hat i+5hat j-2hat k