5.If `A =[[2,3,4],[5,6,7]]` then find `A'`

Let A=(2,3,5) and U={1,2,3,4,5,6,7,9} then find A'=U-A

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

If A=[[1,2],[3,-4],[5,6]] and B=[[4,5,6],[7,-8,2]] , is AB=BA? Also find AB and BA.

let U= {1,2,3,4,5,6,7,8} A = {1,2,,3,4} then find the A complement

If A={1,3,5,7) and B={2,4,6} , find BxxA

If A={1,3,5,7) and B={2,4,6} , find AxxB

If A={1,3,5,7) and B={2,4,6} , find AxxA

If A={1,3,5,7) and B={2,4,6} , find BxxB

Two numbers b\ a n d\ c are chosen at random with replacement from the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9. Find the probability that x^2+b x+c >0\ for\ a l l\ x in Rdot

Let U= { 1,2,3,4,5,6,7,8,9,10 } be the universal set and let A = {2,3,4,5,6} and B = { 3,5,7,8} be its subsets . Find A'