If `A=[[a,b] , [c,d]]` and `B=[[a',b] , [c',d']]` then find the value of `A-B`

If A=[[a,b],[c,d]] then find A'

If A=[[1,0],[2,1]] and A^(2012)=[[a,b],[c,d]] then find the values of a,b,c and d.

If A = [(a,b),(c,d)] then find the value of |A|^(-1)

If A=[[a,b],[c,d]] then find A^' .

If A={a,b,c,d} and B={c,d,e,f} then find the value of {(A-B)-(B-A)}nn A

If a,b,c,d, e are in A.P.,the find the value of a-4b+6c-4d+e

"If A"= ({:(2, 3),(5, 1):}), B = ({:(a, b),(c, d):}) and AB = -13I, then find the value of a + b - c + d. (a) 5 (b) 3 (c) 2 (d) 1

If A : B = 1 : 2, B : C = 3 : 4 and C : D = 5 : 6, then find the value of D : C : B.

If a,b,c, and d are in H.P.then find the value of (a^(-2)-d^(2))/(b^(-2)-c^(2))

If the numbers a, b, c, d, e are in arithmetic progression then find the value of a - 4b + 6c - 4d + e.