[" 56.If the vectors "bar(AB)=-3hat i+4hat k" and "bar(AC)=5hat i-2hat j+4hat k],[" represent the sides of a triangle "ABC" ,then the length of the "],[" median through "A" is "]

If the vector vec(AB) = 3hat(i) + 4hat(k) and vec(AC) = 5hat(i) - 2hat(j) + 4hat(k) are the sides of a triangle ABC, then the length of the median through A is-

If the vectors bar A B=3 hat i+4 hat k and bar A C=5 hat i-2 hat j+4 hat k are the sides of a triangle ABC, then the length of the median through A is (1) sqrt(72) (2) sqrt(33) (3) sqrt(45) (4) sqrt(18)

( The vector )/(AB)=3hat i+4hat k and bar(AC)=5hat i-2hat j+4hat k are the sides of a triangle ABC.The length of the median through A is

If the vectors vec(A) B = 3 hat(i)+4 hat (k) and vec(AC) = 5 hat(i)-2 hat(j)+4hat(k) are the sides of a triangle ABC, then the length of the median through A is

If the vectors vec(A) B = 3 hat(i)+4 hat (k) and vec(AC) = 5 hat(i)-2 hat(j)+4hat(k) are the sides of a triangle ABC, then the length of the median through A is

If the vectors 2hat j +hat k and 3 hat i- hat j +4 hatk represent the two sides AB and AC respectively of a triangle ABC , then the length of the median through A is,

The vectors vec AB=3hat i+4hat k and vec AC=5hat i-2hat j+hat k are the sides of a triangle ABC.The length of the median through A is -