In a triangle OAC, if `B` is the mid point of side AC and ` vec O A= vec a ,\ vec O B= vec b ,\ ` then what is ` vec O C ?`

In a triangle OAC, if B is the mid point of side AC and vec(OA)=veca,vec(OB)=vecb , then what is vec(OC) .

If D is the mid-point of the side B C of a triangle A B C , prove that vec A B+ vec A C=2 vec A Ddot

Statement 1: In "Delta"A B C , vec A B+ vec A B+ vec C A=0 Statement 2: If vec O A= vec a , vec O B= vec b ,t h e n vec A B= vec a+ vec b

Statement 1: In "Delta"A B C , vec A B+ vec A B+ vec C A=0 Statement 2: If vec O A= vec a , vec O B= vec b ,t h e n vec A B= vec a+ vec b

Statement 1: In "Delta"A B C , vec A B+ vec BC+ vec C A=0 Statement 2: If vec O A= vec a , vec O B= vec b ,t h e n vec A B= vec a+ vec b

if vec Ao + vec O B = vec B O + vec O C ,than prove that B is the midpoint of AC.

if vec Ao + vec O B = vec B O + vec O C ,than prove that B is the midpoint of AC.

A B C D is a quadrilateral and E and the point intersection of the lines joining the middle points of opposite side. Show that the resultant of vec O A , vec O B , vec O Ca n d vec O D is equal to 4 vec O E , where O is any point.

Statement 1: In DeltaA B C , vec (A B)+ vec (BC)+ vec (C A)=0 Statement 2: If vec (O A)= vec a , vec (O B)= vec b ,t h e n \ vec (A B)= vec a+ vec b

Statement 1: In DeltaA B C , vec (A B)+ vec (BC)+ vec (C A)=0 Statement 2: If vec (O A)= vec a , vec (O B)= vec b ,t h e n \ vec (A B)= vec a+ vec b