If `x , y , z` are different from zero and `|1+x1 1 1 1+y1 1 1 1+z|=0` then the value of `x^(-1)+y^(-1)+2^(-1)` is `x y z` (b) `x^(-1)y^(-1)z^(-1)` (c) `-x-y-z` (d) `-1`

If x , y , z are different from zero and |[1+x,1, 1],[1 , 1+y ,1],[ 1 ,1, 1+z]|=0 then the value of x^(-1)+y^(-1)+z^(-1) is (a) x y z (b) x^(-1)y^(-1)z^(-1) (c) -x-y-z (d) -1

If x+1/y =1 and y + 1/z =1 then find the value of z + 1/x

If x + y + z = xyz and x, y, z gt 0 , then find the value of tan^(-1) x + tan^(-1) y + tan^(-1) z

(x^(-1)-y^(-1))/(z)+(y^(-1)-z^(-1))/(x)+(z^(-1)-x^(-1))/(y)= _______

if x+(1)/(y)=1 and y+(1)/(z)=1 then the value of z+(1)/(x)

If y+1/z=1 and x+1/y=1 , then what is the value of x y z ? -1 (b) 0 (c) 1/2 (d) 1

If x ,\ y ,\ z are non-zero real numbers, then the inverse of the matrix A=[x0 0 0y0 0 0z] , is [x^(-1)0 0 0y^(-1)0 0 0z^(-1)] (b) x y z[x^(-1)0 0 0y^(-1)0 0 0z^(-1)] (c) 1/(x y z)[x0 0 0y0 0 0z] (d) 1/(x y z)[1 0 0 0 1 0 0 0 1]