If `|[x,1], [1,2]| =0` find the value of `x`

If |[x,-6,1],[2x,-3,3],[0,1,2]| =0 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 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

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

If x in (0, 1) , then find the value of tan^(-1) ((1 -x^(2))/(2x)) + cos^(-1) ((1 -x^(2))/(1 + x^(2)))

If (A -2I)(A-3I)=0 , when A=[{:(4,2),(-1,x):}] and I=[{:(1,0),(0,1):}] , find the value of x

Solve [(1,2),(0,0)] [(x,2),(3,3)]=[(7,0),(1,0)] , and find the value of x.

If x^2+2a x+a<0AAx in [1,2], the find the values of a .

If [2x+1 5x0y^2+1]=[x+3 10 0 26] , find the value of (x+y) .