If `A=[2 4 4 3],\ X=[n1]` , `B=[8 11]` and `A X=B` , then find `ndot`

If A=[[1,2],[3,4]] , B=[[3,8],[7,2]] and 2X+A=B then find X

If A-2B=[[-7,7] , [4,-8]] and A-3B= [[-11,9] , [4, -13]] then find the matrices A and B

If A=[[1, -1, -2], [2, 1, 1], [4, -1, 2]], B=[[3], [5], [11]], X=[[x], [y], [z]] and AX=B then X=

If A = 3x^2 - 4x + 1, B = 5x^2 + 3x - 8 and C = 4x^2 - 7x + 3 , then find: (i) (A + B) - C (ii) B+C -A (iii) A + B + C

If g(x)=[(1,1),(2,3),(3,5),(4,7)] is a function from A={1,2,3,4} to B={1,3,5,7} and g(x)=ax+b, then find "a" and "b"?

If A={x:x=3n,n in N} and B={x:x=4n,n in N} , then find A cap B .

If A = x^(3), B = 4x^(2) + x -1, C = x +1 , then find (A -B) (A-C)

If A=(x : x=4n+1,nle5,n in N} and B={3n : n le 8, n in N} , then find (A-(A-B)) .