[" If a vector "2hat i+3hat j+8hat k" is perpendicula to the "],[" vector "2hat i-4hat j-ahat k," then the value of "a],[(1)/(2)]

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

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

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

The vector(s) which is/are coplanar with vectors hat i+hat j+2hat kandhat i+2hat j+hat k, and perpendicular to vector hat i+hat j+hat k, is/are a.hat j-hat k b.-hat i+hat j c.hat i-hat j d.-hat j+hat k

If vector hat(i) - 3hat(j) + 5hat(k) and hat(i) - 3 hat(j) - a hat(k) are equal vectors, then the value of a is :

If vector hat(i) - 3hat(j) + 5hat(k) and hat(i) - 3 hat(j) - a hat(k) are equal vectors, then the value of a is :