Solution:
Taking (b-a) common from
Operating
[Properties of determinants say that if 1 row or column has only 0 as its elements, the value of the determinant is 0 ]
Hence Proved
Solution:
Taking (b-a) common from
Operating
[Properties of determinants say that if 1 row or column has only 0 as its elements, the value of the determinant is 0 ]
Hence Proved