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

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 x+1/x=3, then find the value of x^2+1/(x^2)

If 3^(2x+1)*4^(x-1)=36 then find the value of x

If [[(x+3y),y],[7-x,4]]=[(4,-1),(0,1)], find the values of x and y.

If x=2+\ sqrt(3), find the value of x+1/x

If x=1-sqrt(2) , find the value of (x-1/x)^3

If |(x+1,x-1),(x-3,x+2)|=|(4,-1),(1,3)| , then write the value of x .

If |(x+1,x-1),(x-3,x+2)|=|(4,-1),(1,3)| , then write the value of x .

If x+1/x=4, find the values of x^2+1/(x^2)

If x=1-sqrt(2), find the value of (x-1/x)^3