Latest book Aptitude Question SOLUTION: Determine whether T: Rˆ2→Rˆ2 is a linear operator 1. T(x, y)=(2x+y, x-y) 2. T(x, y)=(x+1, y) 3. T(x, y)=( y, y) 4. T(x, y)=(x1/3, y1/3) Thank you very much