Let yı, y2, and y3 be defined as in Exercise 7, and let L be the linear operator on R3 defined by L(cıyı + c2y2 + c3y3) = (ci + c2 + c3)yı + (2c1 + c3)y2 -- (2c2 + c3)y3
Find a matrix representing L with respect to the ordered basis {yı, y2, y3}