If `A=[[4, -1], [-1, k]]` such that `A^(2)-6A+7I=0 and k=`

If A=[(1, 0),(-1 ,7)] , find k such that A^2-8A+k I=O .

If A=[[1,0],[-1,7]] and A^2-8 A+k I=0 , then k=

If A=[(3,-2),(4,-2)] and I=[(1,0),(0,1)] , find k so that A^(2)=kA-2I .

If A A=[3-2 4-2] and I=[1 0 0 1] , find k so that A^2=k A-2I .

If A= [[1 , 0],[ − 1, 7]] and I=[[1, 0],[ 0 ,1]] , then find k so that A^2=8A+k I

If A A=[[3,-2],[ 4,-2]] and I=[[1, 0],[ 0, 1]] , find k so that A^2=k A-2I .

If z_(k)=e^(i theta_k) for k= 1, 2, 3, 4 where i^(2)= -1 , and if |sum_(k=1)^(4) (1)/(z_k)|=1 , then |sum_(k=1)^(4)| is equal to

Select the correct option from the given alternatives [[6,-5,1],[4,2,-1],[4,-1,k]] has no inverse, then i] k=1 ii] k=-1 iii] k=0 iv] k=-1/16

If A=[[3,-2],[4,-2]] and I=[[1,0],[0,1]] , find k so that A^2=kA-2I