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

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, y) is the incentre of the triangle formed by the points (3, 4), (4, 3) and (1, 2), then the value of x^(2) is

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/x + 2/3 = 1/(2x) +3/4 them the value of x is

If |{:(2,3,2),(x,x,x),(4,9,1):}|+3=0 then the value of x is

Let ax^3+bx^2+cx+d=|{:(3x,x+1,x-1),(x-3,-2x,x+2),(x+3,x-4,5x):}| then the value of d is

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+y x-y]=[2 1 4 3][1-2] , then write the value of (x ,\ y) .

If |(x,2,3),(2,3,x),(3,x,2)|=|(1,x,4),(x,4,1),(4,1,x)|=|(0,5,x),(5,x,0),(x,0,5)|=0, then the value of x equals (x in R):