If A+B = `[[7,4],[8,9]]` and A-B=`[[1,2],[0,3]]`
find the value of A

If A=[[2,9],[4,3]] and B= [[1,5],[7,2]] find AB-BA

If A=[[2,3,4],[-3,0,2]], B=[[3,-4,-5],[1,2,1]] and C=[[5,-1,2],[7,0,3]] , find the matrix X such that 2A+3B=X+C

1) If A=[[1,2,3],[4,5,6]] and B=[[1],[9],[8]] ,find AB

if A = [[3,9,0],[1,8,-2]] and B = [[4,0,2],[7,1,4]] find A+B and A-B?

If A=[[1,4,-1],[2,6,5]] and B=[[3,-2,-6],[2,0,-7]] , find A+B and A-B

If A=[[2,1],[3,0],[5,1]] and B = [[4,0],[3,8]] then find AB

Let the matrix A and B defined as A=|[3,2] , [2,1]| and B=|[3,1] , [7,3]| Then the value of |det(2A^9 B^(-1)|=

If A=[[2,-1],[ 3, 2]] and B=[[0, 4],[-1, 7]] , find 3A^2-2B+I .

.If A=[[1,4,7],[2,5,8]] and B=[[-3,4,0],[4,-2,-1]] then show that (A+B)^T=A^T+B^T

If a+b=7 and a b=12 , find the value of (a^2-a b+b^2)