" If the vectors "AB=-3i+4k" and "AC=5i-2j+4k" are the sides of a triangle "ABC" ,then the "

If the vectors PQ= -3i + 4j + 4k and PR = 5i - 2j + 4k are the sides of a triangle PQR then the length of the median through P is a) sqrt14 b) sqrt15 c) sqrt17 d) sqrt18

If the vectors vec(PQ)=-3i+4j+4k and vec(PR)=-5i+2j+4k are the sides of a trianglePQR Find the angle between vec(PQ) and vec(PR)

If the vectors vec(PQ)=-3i+4j+4k and vec(PR)=-5i+2j+4k are the sides of a trianglePQR .Find the length of the median through the vertex P.

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 -

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-

( 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