Find the values of a and b for which the following holds: `[[4,2],[3,-1]][[a],[b]]=[[-4],[2]]`

Find the values of 'a' and 'b' for which the following hold : [(3,2),(7,a)][(5,-2),(-7,b)]=[(1,0),(0,1)] .

Find the values of A and B in the following ({:(," "4A),(,xx6):})/(" "2B4)

Find the values of a and b if A=B , where A=[[a+4,3b],[8,-6]],B=[[2a+2,b^2+2],[8,b^2-56]]

Find the value of x^2 for the following values of x (a) . (2,5) (b) . [-5,-1) (c) . [-3,4]

Find the value of a and b in each of the following :(5+2sqrt(3))/(7+4sqrt(3))=a-b sqrt(3)

Find the values of a and b which [{:(a,b),(-a,2b):}][{:(" "2),(-1):}]=[{:(5),(4):}].

A value of b for which the rank of the matrix A=[[1,1,-1,0],[4,4,-3,1],[b,2,2,2],[9,9,b,3]] is 3 ,is

Find the value of x if 2^(x-3)=1 (a) 1 (b) 2 (c) 3 (d) 4