What is the coordinate vector of (1,2)(1, 2)(1,2) in the basis B={(1,0),(1,1)}B = \{(1, 0), (1, 1)\}B={(1,0),(1,1)}?
(−1,2)(-1, 2)(−1,2)
(1,2)(1, 2)(1,2)
(2,1)(2, 1)(2,1)
(1,1)(1, 1)(1,1)