If ` 0 <= A,B,C <= pi and A+B+c=pi` than the minimum value of `sin3A+sin3B+sin3C` is

If A = [{:( 0,0,0),(0,0,0) ,(0,1,0):}] ,then A is

If A = [{:( 0,0,0),( 1,0,0),(0,1,0):}] ,then

If P = [(x,0,0),(0,y,0),(0,0,z)]and Q = [(a,0,0),(0,b,0),(0,0,c)] , verify that PQ = QP = [(xa, 0,0),(0,yb,0),(0,0,zc)]

If A = [(3,0,0),(0,3,0),(0,0,3)] , then |A||adj A| =...

If A = {:[(2,0,0),(0,2,0),(0,0,2)]:}, then A^(6) = .........

If A = {:[(a,0,0),(0,a,0),(0,0,a)]:} then det (Adj A) is