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

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

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

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 i+4hat j+alphahat k ,then the value of alpha is

If vec A =2 hat i+ 3 hat j+ 8 hat k is perpendicular to vec B= 4 hat j -4 hat i+ alpha hat k , then the value of alpha

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