! 1%) 11. 1. 3 نقاط Let d: R2 R define by (x, y) = |x-yl,Vx,y E R. Then d is called إجابتك If normed space X is finite..... dimensional, then every linear operator on X is إجابتك 3 نقاط 3 نقاط X is closed if and only if there is.xn E X, Xn + x implies ..... إجابتك .....A compact subset X of metric space 3 نقاط Y is إجابتك