Find the adjoint of the matrices : `[(-4,1),(3,7)]`

Find the adjoint of the matrices : [(1,-1,2),(3,0,-2),(1,4,8)]

the end points of a line and the ratio in which it is divided by a point are given below. find the co-ordinates of the point: (-3,-4),(-8,7),7:5

Find the inverse of the matrix, A=[[2,-3],[-4,7]] .

the end points of a line and the ratio in which it is divided by a point are given below. find the co-ordinates of the point: (1,3),(2,7),3:4

Find the matrices A and B if 2A-B=[(3,-3,0),(3,3,2)], 2B+A=[(4,1,5),(-1,4,-4)]

Prove that the matrices [(1,-1),(2,-1)] and [(1,1),(4,-1)] are anti-commutative.

Find the matrices A and B, if A+B =[(5,2),(0,9)] and A-B =[(3,6),(0,-1)]

Find the sum of first n terms of the series 1.3 + 2.5 + 3.7 + 4.9 +…..

Find the matrices A and B if A+2B=[(1,2,0),(6,-3,3),(-5,3,1)] and 2A-B=[(2,-1,5),(2,-1,6),(0,1,2)]