If `|[x-1, 2, 1],[x,1,x+1], [1,1,0]|` =4 then find `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 [1,1,x][[1,0,2],[0,2,1],[2,1,0]][[1],[1],[1]]=O find x

If [x\ \ 4\ \ 1][[2, 1 ,2],[ 1, 0 ,2],[ 0 ,2,-4]][[x],[4],[-1]]=0 , find xdot

Find the integral value of x , if |[x^2,x,1],[ 0, 2, 1],[ 3, 1, 4]|=28 .

Find x, if [x-5-1][[1, 0 ,2 ],[0,2, 1 ],[2 ,0 ,3]][[x],[4] ,[1]]=O .

If x in [-1, 0] , then find the value of cos^(-1) (2x^(2) - 1) - 2 sin^(-1) x

If f(x)=|((1+x)^a,(1+2x)^b,1),(1,(1+x)^a,(1+2x)^b), ((1+2x)^b,1,(1+x)^a)| then find constant term and coefficient of x

If y=(1+x)(1+x^2)(1+x^4)(1+x^(2n)), then find (dy)/(dx)a tx=0.

If x in [-1,0], then find the value of cos^(-1)(2x^2-1)-2sin^(-1)x

If x in [-1, 0) then find the value of cos^(-1) (2x^(2) -1) -2 sin^(-1) x