Perform the row operation: Perform the row operation:

2 −1 −4 7
0 −30 20 −50
0 30 24 6

2 −1 −4 7
0 −30 20 −50
0
what is this

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.