If `|[x,2],[8,4]| = |[1,1],[2,2]|` then value of x is

If |[x,1],[1,x]|=|[2,0],[8,4]| then value of x is :

If | (2x, -9), (-2, x) | = |(-4,8) , (1, -2)| , then value of x is

If x-1/x=1/2 , then write the value of 4x^2+4/(x^2)

If f(x) = {{:((sqrt(4+ax)-sqrt(4-ax))/x,-1 le x lt 0),((3x+2)/(x-8), 0 le x le 1):} continuous in [-1,1] , then the value of a is

If (sin^(-1) x)^2 + (cos^(-1)x)^2 =(5pi^2)/8 then one of the values of x is

If different values of variable x are 9.8, 5.4 , 3.7 , 1.7 , 1.8 , 2.6 , 2.8 , 10.5 and 11.1 , find the value of sum(x - barx)

Let A=[(2, -1, 1),(-2, 3, -1),(-4, 4, -x)] be a matrix. If A^(2)=A , then the value of x is equal to

If (1)/(8)x+(1)/(8)y=y-2x , then what is the value of (x)/(y) ?