Q12(iii) Using the properties of determinant, prove that
x-3 x-4 x-α x-2 x-3 x-β x-1 x-2 x-γ;
= 0
,where α,β and γ are in A.P
Solution
,
x-3 | x-4 | x-α |
x-2 | x-3 | x-β |
x-1 | x-2 | x-γ; |