## Question

### Solution

Correct option is We have,     #### SIMILAR QUESTIONS

Q1

Let be the angle bisector of A of âˆ†ABC such that then

Q2

Let D, E, F be the middle points of the sides BC, CA, AB respectively of a triangle ABC. Then, equals

Q3

If G is the centroid of a triangle ABC, then equals

Q4

Let ABC be a triangle having its centroid at G. If S is any point in the plane of the triangle, then Q5

If O and O denote respectively the circum-centre and orthocentre ofâˆ†ABC, then Q6

If O and O denote respectively the circum-centre and orthocenter of âˆ†ABC, then Q7

Consider âˆ†ABC and âˆ†A1B1C1 in such a way that and M, N, M1, N1 be the mid-point of AB, BC, A1B1 and B1C1 respectively. Then,

Q8

Let ABCD be a parallelogram whose diagonals intersect at P and let O be the origin, then equals

Q9

If A, B, C, D be any four points and E and F be the middle points of AC and BD respectively, then is equal to

Q10

Let be three non-zero vectors, no two of which are collinear. If the vector is collinear with is collinear with is equal to