Let ABC be a triangle, the position vectors of whose vertices are respectively `7 hatj + 10 hatk , -hati + 6 hat j + 6 hatk and -4 hati + 9 hatj + 6 hat k . " Then, " Delta ABC ` is

Let ABC be a triangle, the position vectors of whose vertices are 7hatj + 10 hatk, -hati +6hatj+6hatk and -4hati+9hatj +6hatk . Then DeltaABC is

Let ABC be a triangle, the position vectors of whose vertices are 7hatj+10hatk,-1hati+6hatj+6hatk and -4hati+9hatj+6hatk . Then, DeltaABC is

Let ABC be a triangle, the position vectors of whose vertices are 7hat(j)+10hat(k), -hat(i)+6hat(j)+6hat(k) " and " -4hat(i)+9hat(j)+6hat(k) . Then DeltaABC is -

Let ABC be a triangle the position vectors of whose vertices are respectively hati+2hatj+4hatk, -2hati+2hatj+hatk and 2hati+4hatj-3hatk . Then the /_\ABC is (A) isosceles (B) equilateral (C) righat angled (D) none of these

Let ABC be a triangle the position vectors of whose vertices are respectively hati+2hatj+4hatk, -2hati+2hatj+hatk and 2hati+4hatj-3hatk . Then the /_\ABC is (A) isosceles (B) equilateral (C) righat angled (D) none of these

Let ABC be a triangle the position vectors of whose vertices are respectively hati+2hatj+4hatk, -2hati+2hatj+hatk and 2hati+4hatj-3hatk . Then the /_\ABC is (A) isosceles (B) equilateral (C) righat angled (D) none of these

If the position vectors of the vertices of a triangle of a triangle are 2 hati - hatj + hatk , hati - 3 hatj - 5 hatk and 3 hati -4 hatj - 4 hatk , then the triangle is

If the position vectors of the vertices of a triangle of a triangle are 2 hati - hatj + hatk , hati - 3 hatj - 5 hatk and 3 hati -4 hatj - 4 hatk , then the triangle is

Find the vector area of the triangle, the position vectors of whose vertices are hati+hatj+2hatk, 2hati+2hatj-3hatk and 3hati-hatj-hatk