[" In a triangle "ABC" ,if "],[qquad [" A "=(0,0);B=(3,3sqrt(3));C=(-3sqrt(3),3)],[" then the vector of magnitude "2sqrt(2)" units "],[" directed along "bar(AQ)" ,where "O" is the "],[" circumcentre of triangle "ABC" is "]]

13.In a triangle ABC, if A=(0,0);B=(3,3sqrt(3));C=(-3sqrt(3),3) then the vector of magnitude 2sqrt(2) units directed along A0,where o is the circumcentre of triangle ABC is

If in a "Delta"A B C ,\ A=(0,0),\ B=(3,3sqrt(3)), C-=(-3sqrt(3),3) then the vector of magnitude 2sqrt(2) units directed along A O ,\ w h e r e\ O is the circumcentre of A B C is a. (1-sqrt(3)) hat i+(1+sqrt(3)) hat j b. (1+sqrt(3)) hat i+(1-sqrt(3)) hat j c. (1+sqrt(3)) hat i+(sqrt(3)-1) hat j d. none of these

If in a Delta ABC,A=(0,0),B=(3,3sqrt(3)),C-=(-3sqrt(3),3) then the vector of magnitude sqrt(2) units directed along AO, where O is the circumcentre of ABC is (1-sqrt(3))hat i+(1+sqrt(3))hat j b.(1+sqrt(3))hat i+(1-sqrt(3))hat j c.(1+sqrt(3))hat i+(sqrt(3)-1)hat j d.none of these

In a triangle ABC if 2a= sqrt(3)b+c then

In a triangle ABC,if (sqrt(3)-1)a=2b,A=3B, then /_C is

In a triangle ABC is (a)/(1)= (b)/(sqrt(3)) = (c )/(2) , then

In a triangle ABC, if (sqrt3-1)a = 2b, A = 3B , then /_C is

In a triangle ABC, if (sqrt3-1)a = 2b, A = 3B , then /_C is

In a triangle ABC,if B= 30^@ " and " c = sqrt(3) b the A can be equal to

In a triangle ABC,if B= 30^@ " and " c = sqrt(3) b the A can be equal to