Find the adjoint of the given matrix and verify in ach case that `A.(adj A)=(adj A).A=|A\|.I.`
`[(3,-1,1),(-15,6,-5),(5,-2,2)]`

Find the adjoint of the given matrix and verify in ach case that A.(adj A)=(adj A).A=|A\|.I. [(3,-5),(-1,2)]

Find the adjoint of the given matrix and verify in each case that A.(adj A)=(adj A).A=|A\|.I. [(2,3),(5,9)]

Find the adjoint of the given matrix and verify in ach case that A.(adj A)=(adj A).A=|A\|.I. [(9,7,3),(5,-1,4),(6,8,2)]

Find the adjoint of the given matrix and verify in each case that A.(adj A)=(adj A).A=|A\|.I. [(1,-1,2),(3,1,-2),(1,0,3)]

Find the adjoint of the given matrix and verify in ach case that A.(adj A)=(adj A).A=|A\|.I. [(4,5,3),(1,0,6),(2,7,9)]

Find the adjoint of the given matrix and verify in ach case that A.(adj A)=(adj A).A=|A\|.I. [(0,1,2),(1,2,3),(3,1,1)]

Find the adjoint of the given matrix and verify in each case that A.(adj A)=(adj A).A=|A\|.I. If A=[(-1,-2,-2),(2,1,-2),(2,-2,1)] .

Find the adjoint of the given matrix and verify in ach case that A.(adj A)=(adj A).A=|A\|.I. If A=[(-4,-3,-3),(1,0,1),(4,4,3)] ,show that adj A=A.

Find the adjoint of the given matrix and verify in ach case that A.(adj A)=(adj A).A=|A\|.I. [(cos a,-sin a,0),(sin a, cos a,0),(0,0,1)]

Find the adjoint of the given matrix and verify in each case that A.(adj A)=(adj A).A=|A\|.I. [(cos a,sin a),(sin a,cos a)]