Evaluate`[2 - 1 , 3][[4],[3],[1]]`

Evaluate [[3],[2],[1]] [2 -4 , 3] =

Find the inverse of A=[[1,3,3],[1,4,3],[1,3,4]] and B = [[1,2,3],[1,1,5],[2,4,7]] then, find a matrix X such that XA = B .

Answer the following questions.Find x,yif [0,-1,4]{2[[4,5],[3,6],[2,-1]]+3[[4,3],[1,4],[0,-1]]}=[x,y]

Find k,if the following matrices are singular: [[k-1,2,3],[3,1,2],[1,-2,4]]

Find x and y,if {4[[2,-1,3],[1,0,2]]-[[3,-3,4],[2,1,1]]}[[2],[-1],[1]]=[[x],[y]]

Find the minors and co-factors of all the elements in [[4,3,1],[1,3,2],[2,1,5]]

Find x and y, If [2,0,3]{3[[6,3],[-1,2],[5,4]]+2[[-4,-4],[1,0],[-3,4]]}=[x,y]

Evaluate: sum_(r=1)^n (1^3 + 2^3 + 3^3 + …. + r^3) / (r+1)^2