" 6/f "A=[[4,2],[-1,1]]," then "(A-2D)(A-3I)=

Let A=[[4,2],[-1,1]] .Then (A-2I)(A-3I) is equal to

If A={:[(4,2),(-1,1)]:} then (A-2I)(A-3I) is equal to__

If A=[{:(,4,2),(,1,1):}] , find (A-2I) (A-3I) .

If A= [[4,2],[-1,1]] and I be the 2xx2 unit matrix find (A-2I)(A-3I)

If A = [(4,2),(-1,1)] and I = [(1,0),( 0,1)] prove that (A - 2I) (A - 3I) = 0

"If A" = [{:(1, 2), (1, 3):}] , then find A^(-1) + A . (a) I (b) 2I (c) 3I (d) 4I

If D=diag[2, 3, 4] , then D^(-1)= ...a) O b) I c) D d) diag [(1)/(2), (1)/(3), (1)/(4)]

If f:R rarr R is defined by f(x)=x^(2)-10x+21 then f^(-1)(-3) is 1){-4,6}2){2,4}3){-4,4,64){4,6}

(i) if A=[{:(1,-1),(2,3):}], then show that A^(2)-4A+5I=O. (ii) if f(x)=x^(2)+3x-5and A=[{:(2,-1),(4,3):}], then find f(A).

(i) if A=[{:(1,-1),(2,3):}], then show that A^(2)-4A+5I=O. (ii) if f(x)=x^(2)+3x-5and A=[{:(2,-1),(4,3):}], then find f(A).