If `A=[[0,1,3],[1,2,x],[2,3,1]]` and `A^(-1)=[[(1)/(2),-4,(5)/(2)],[-(1)/(2),3,-(3)/(2)],[(1)/(2),y,(1)/(2)]]`. Find `x,y`

If x+2y=[[2,0,3],[1,-1,1]] and 2x-y=[[1,-4,-5],[0,2,-1]] then

If x+2y=[[2,0,3],[1,-1,1]] and 2x-y=[[1,-4,-5],[0,2,-1]] ,then

Find the product of ((1)/(2)x^(2)-(1)/(3)y^(2))and((1)/(2)x^(2)+(1)/(3)y^(2))

The lines (x-2)/(1)=(y-3)/(2)=(z-4)/(3)and(x-1)/(-5)=(y-2)/(1)=(z-1)/(1) are

If [(1,2,3),(3,1,2),(2,3,1)][(x),(y),(z)]=[(4,-2),(0,-6),(-1,2)][(2),(1)], then (x,y,z)=

2X+3Y=[[2,3],[4,0]] and 3X+2Y=[[2,-2],[-1,5]]

If X'=[(3,4),(-1,2),(0,1)] and Y=[(-1,2,1),(1,2,3)] , then find X'-Y'

If x+y=[[1,4,3] , [-2,5,6] , [7,0,2]] and x-y=[[3,2,5] , [4,1,2] , [1,0,4]] then find x and y

If A=[0 1 2 1 2 3 3x1]a n dA^(-1)=[1/2-1/2 1/2-4 3y5/2-3/2 1/2] x=1,y=-1 (b) x=-1,y=1 x=2,y=-1/2 (d) x=1/2,y=1/2

If x=(1)/(1^(2))+(1)/(3^(2))+(1)/(5^(2))+.... , y=(1)/(1^(2))+(3)/(2^(2))+(1)/(3^(2))+(3)/(4^(2))+.... and z=(1)/(1^(2))-(1)/(2^(2))+(1)/(3^(2))-(1)/(4^(2))+... then