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 (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 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

Find a vector of mangitude 18 which is perpendicular to both the vector 4 hat i - hat j + 3 hat k and -2 hat i + hat j -2 hat k .

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

Docompose the vector 6hat i-3hat j-6hat k into vectors which are parallel and perpendicular to the vector hat i+hat j+hat k Then the vectors are

Find a unit vector perpendicular to the vectors hat(j) + 2 hat(k) & hat(i) + hat(j)

Find the projection of vector hat i+3hat j+7hat k on the vector 7hat i-hat j+8hat k

Find the projection of the vector hat i+3hat j+7hat k on the vector 7hat i-hat j+8hat k