The area of the triangle formed by the points whose position vectors are 3i + j 5i + 2j + k, I - 2j + 3k is

The area of the triangle formed by the points whose position vectors are -3vec i+vec j,5vec i+2vec j+vec k and vec i-2vec jmath+3vec k is

The area of the triangle formed by thepoints whose position vectors are 3vec(i) + vec(j), 5vec(i) + 2vec(j) + vec(k) and vec(i) -2vec(j) + 3vec(k) is (in sq.u)

The triangle formed by the three points whose position vectors are 2i + 4j -k , 4i +5j + k and 3i + 6j - 3k , is

The three points whose position vectors are i + 2j + 3k, 3i + 4j + 7k and -3i - 2j - 5k

Write the position vector of the centroid of the triangle formed by the points whose position vectors are 3bar(i)+2bar(j)-bar(k), 2bar(i)-2bar(j)+5bar(k), bar(i)+3bar(j)-bar(k) .

The points whose position vectors are 2i + 3j + 4k, 3i + 4j + 2k and 4i + 2j + 3k are the vertices of

The three points whose position vectors are i+2j+3k, 3i+4j+7k, and -3i-2j-5k

The incentre of the triangle formed by the points i+j+k,4i+j+k,4i+5j+k is