if ` (-1,2). (2,-1)` and `(3, 1)` are any three vertices of a parallelogram then fourth vertex `(a, b)` will be such that

If (-1,\ 2),\ (2,\ -1) and (3,\ 1) are any three vertices of a parallelogram then the fourth vertex (a,b) will be such that (a) a=2 , b=0 (b) a= - 2, b=0 (c) a= - 2, b=6 (d) a=6, b=2

If (-1,\ 2),\ (2,\ -1) and (3,\ 1) are any three vertices of a parallelogram then the fourth vertex (a,b) will be such that (a) a=2 , b=0 (b) a= - 2, b=0 (c) a= - 2, b=6 (d) a=0, b=4

If 'A(2,-1)' B '(3,4), C(-2,3)' are the vertices of a parallelogram find the fourth vertex.

If (-2,-1), (1,0) and (4,3) are three successive vertices of a parallelogram, find the fourth vertex.

If (-2,-1), (1,0) and (4,3) are three successive vertices of a parallelogram, find the fourth vertex.

If (-1, 2), (4, 1), (7, 16) are the three vertices of a parallelogram taken in order, then the fourth vertex and also the area of the parallelogram are

If A(2, 4, -1), B(3, 6, -1) and C(4, 5, 1) are three consecutive vertices of a parallelogram, then its fourth vertex is

If A(-3,-2,0),B(3,-3,1) and C(5,0,2) are three successive vertices of parallelogram ABCD, then its fourth vertex D is

If (1,-3) , (-2, 3) and (-2, 2) are three vertices of a parallelogram taken in that order , then the fourth vertex is "_______"

If A(1,2),B(4,3) and C(6,6) are the three vertices of a parallelogram ABCD, find the coordinates of fourth vertex D.