Find the value of x if `|(-1,2,4),(3,0,x),(7,6,4)| = 0`

Find the value of x, if |[(3+x), 5, 2],[1, (7+x), 6], [2, 5, (3+x)]| = 0

Find the value of x if |[1+x,1-x,1],[2,4+x,3],[-1,1,2]|=0

Find the value of x and y4x^(2)+4y-2=0,2x^(2)+6y=0

Find the value of X: (5)/(4) -(7)/(6)-((-2)/(3)) =X

Find the value of x , | [ x , 4 ,-4 ], [ 3 , -2 , 1 ] , [ -2 , 4 , 1 ] | = 0

Find the value of * in the following 1(2)/(3)-:(2)/(7)xx(.)/(7)=1(1)/(4)xx(2)/(3)-:(1)/(6)(a)0.006 (b) (1)/(6)(c)0.6(d)6

Find the values of x for which f(x)=((2x-1)(x-1)^(2)(x-2)^(3))/((x-4)^(4))>0

Find the values of x for which (x^(2)-4x+3)/(x^(2)+x+1)<0

If the trace of the matrix A=({:(x-5,0,2,4),(3,x^(2)-10,6,1),(-2,3,x-7,1),(1,2,0,-2):}) assumes the value zero, then the value of x equals to