If `A=[[1,0,0],[2,3,4],[5,-6,x]]` and `det A=45,` then find `x.`

If A=[(1,-2,3),(4,5,-1),(5,0,2)] find 3A

If [(2x+y,3y),(0, 4)]=[(6, 0),( 6, 4)] , then find x .

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

If |[1, x, x^2], [x, x^2, 1], [x^2, 1, x]|=3, then find the value of |[x^3-1, 0, x-x^4], [0, x-x^4, x^3-1], [x-x^4, x^3-1, 0]|

If A=[8 0 4-2 3 6] and B=[2-2 4 2-5 1] , then find the matrix X of order 3xx2 such that 2A+3X=5B .

If |[x,-6,1],[2x,-3,3],[0,1,2]| =0 find the value of x

If A=[(-1,0,2),(3,1,4)], B=[(0,-2,5),(1,-3,1)] and C=[(1,-5,2),(6,0,-4)], then find (2A-3B+4C).

If x in{-2,-1,0,1,2,3,4,5} , find the solution set of each of the following inequations : (2)/(3)+xlt-(1)/(6)

If 2((1,3),(0,x))+((y,0),(1,2))=((5,6),(1,8)) , then find the value of x+y.

If |[x,3, 6],[ 3, 6,x],[6,x,3]|=|[2,x,7],[x,7, 2],[ 7, 2,x]|=|[4, 5,x],[5,x,4],[x,4, 5]|=0, then x is equal to a. 0 b. -9 c. 3 d. none of these