First slide
Introduction to Determinants
Question

   0      xyz   x-z y-x     0     y-zz-x   z - y    0 is equal to 

Easy
Solution

We have ,

  0     xyz  x-z y-x    0    y-zz-x  z - y   0=z-x   xyz  x-z z-x    0    y-zz-x  z - y   0              C1C1- C3

                              =(z-x)1   xyz  x-z 1    0    y-z1  z - y   0             taking(z-x)common from column 1

                                     (Expanding along R1)

                             =(z-x)[1.{-(y-z)(z-y)-xyz(z-y)+(x-z)(z-y)]=(z-x)(z-y)(-y+z-xyz+x-z)=(z-x)(z-y)(x-y-xyz)=(z-x)(y-z)(y-x+xyz)

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