Find T(v) by using the standard matrix and the matrix relative to B and B?. T:R2?R3,T(x,y)=(x+y,x,y),v=(7,6),B={(1,?1),(0,1)},B?={(1,1,0),(0,1,1),(1,0,1)} (a) the standard matrix T(v)= (b) the matrix relative to B and B? (in terms of the standard basis) T(v)=